space-catalog.ts•13.4 kB
export interface TleData {
line1: string;
line2: string;
epoch: string;
}
export interface SpaceObject {
noradId: string;
name: string;
tle: TleData;
objectType: "satellite" | "debris" | "rocket body" | "unknown";
source?: string;
classification?: "unclassified" | "cui" | "secret";
createdAt: string;
updatedAt: string;
lastTleUpdate?: string;
}
export interface ConjunctionEvent {
primaryObject: string;
secondaryObject: string;
timeOfClosestApproach: string;
minimumDistance: number;
relativeVelocity: number;
probabilityOfCollision?: number;
alertLevel: "low" | "medium" | "high" | "critical";
}
export interface OrbitalPrediction {
noradId: string;
predictionTime: string;
position: {
x: number;
y: number;
z: number;
};
velocity: {
x: number;
y: number;
z: number;
};
altitude: number;
latitude: number;
longitude: number;
propagationModel: string;
}
export interface SpaceFenceObservation {
noradId: string;
observationTime: string;
azimuth: number;
elevation: number;
range: number;
rangeRate: number;
radarCrossSection?: number;
quality: number;
}
export interface CatalogStats {
totalObjects: number;
objectsByType: Record<string, number>;
objectsByClassification: Record<string, number>;
objectsBySource: Record<string, number>;
averageTleAge: number;
oldestTle: string;
newestTle: string;
lastUpdated: string;
}
export interface SensorStatus {
sensorName: string;
status: "operational" | "degraded" | "offline";
lastDataReceived: string;
observationsToday: number;
healthScore: number;
}
export class SpaceCatalog {
private apiHeaders: Record<string, string> = {};
private apiEndpoint: string = "https://unifieddatalibrary.com/api";
setApiHeaders(headers: Record<string, string>): void {
this.apiHeaders = headers;
}
setApiEndpoint(endpoint: string): void {
this.apiEndpoint = endpoint;
}
private async makeApiCall(endpoint: string, params?: Record<string, any>): Promise<any> {
const url = new URL(`${this.apiEndpoint}${endpoint}`);
if (params) {
Object.keys(params).forEach(key => {
if (params[key] !== undefined) {
url.searchParams.append(key, params[key]);
}
});
}
// Simulate API call for now - in real implementation would use fetch
console.log(`API Call: ${url.toString()}`);
console.log(`Headers:`, this.apiHeaders);
// Return mock data based on endpoint
return this.getMockResponse(endpoint, params);
}
private getMockResponse(endpoint: string, params?: Record<string, any>): any {
// Simulate different API responses based on endpoint
if (endpoint.includes('/objects/')) {
return this.getMockSpaceObject(params?.noradId || '25544');
} else if (endpoint.includes('/objects')) {
return this.getMockSearchResults(params);
} else if (endpoint.includes('/conjunctions')) {
return this.getMockConjunctions(params);
} else if (endpoint.includes('/predictions')) {
return this.getMockPrediction(params);
} else if (endpoint.includes('/spacefence')) {
return this.getMockSpaceFenceData(params);
} else if (endpoint.includes('/catalog/stats')) {
return this.getMockCatalogStats();
} else if (endpoint.includes('/sensors/status')) {
return this.getMockSensorStatus();
}
return {};
}
private getMockSpaceObject(noradId: string): SpaceObject {
return {
noradId,
name: noradId === '25544' ? 'ISS (ZARYA)' : `OBJECT-${noradId}`,
tle: {
line1: `1 ${noradId.padStart(5)}U 98067A 24001.50000000 .00002182 00000-0 40201-4 0 9990`,
line2: `2 ${noradId.padStart(5)} 51.6461 339.7939 0001397 83.2918 276.8626 15.48919103123456`,
epoch: "2024-01-01T12:00:00.000Z"
},
objectType: noradId === '25544' ? 'satellite' : 'unknown',
source: '18SDS',
classification: 'unclassified',
createdAt: '2024-01-01T00:00:00.000Z',
updatedAt: new Date().toISOString(),
lastTleUpdate: new Date().toISOString(),
};
}
private getMockSearchResults(params?: Record<string, any>): SpaceObject[] {
const results = [];
const count = Math.min(params?.limit || 10, 50);
for (let i = 0; i < count; i++) {
const noradId = (25544 + i).toString();
results.push(this.getMockSpaceObject(noradId));
}
return results;
}
private getMockConjunctions(params?: Record<string, any>): ConjunctionEvent[] {
const conjunctions = [];
const count = Math.floor(Math.random() * 5) + 1;
for (let i = 0; i < count; i++) {
conjunctions.push({
primaryObject: params?.primaryObject || '25544',
secondaryObject: (25545 + i).toString(),
timeOfClosestApproach: new Date(Date.now() + i * 3600000).toISOString(),
minimumDistance: Math.random() * 5,
relativeVelocity: Math.random() * 15000 + 5000,
probabilityOfCollision: Math.random() * 0.001,
alertLevel: this.getRandomAlertLevel(),
});
}
return conjunctions;
}
private getMockPrediction(params?: Record<string, any>): OrbitalPrediction {
return {
noradId: params?.noradId || '25544',
predictionTime: params?.predictionTime || new Date().toISOString(),
position: {
x: Math.random() * 13000 - 6500,
y: Math.random() * 13000 - 6500,
z: Math.random() * 13000 - 6500,
},
velocity: {
x: Math.random() * 16 - 8,
y: Math.random() * 16 - 8,
z: Math.random() * 16 - 8,
},
altitude: Math.random() * 2000 + 200,
latitude: Math.random() * 180 - 90,
longitude: Math.random() * 360 - 180,
propagationModel: params?.propagationModel || 'SGP4',
};
}
private getMockSpaceFenceData(params?: Record<string, any>): SpaceFenceObservation[] {
const observations = [];
const count = Math.floor(Math.random() * 10) + 1;
for (let i = 0; i < count; i++) {
observations.push({
noradId: params?.noradId || '25544',
observationTime: new Date(Date.now() - i * 3600000).toISOString(),
azimuth: Math.random() * 360,
elevation: Math.random() * 90,
range: Math.random() * 2000 + 200,
rangeRate: Math.random() * 20 - 10,
radarCrossSection: Math.random() * 10,
quality: Math.random() * 100,
});
}
return observations;
}
private getMockCatalogStats(): CatalogStats {
return {
totalObjects: 47832,
objectsByType: {
satellite: 8234,
debris: 35421,
"rocket body": 4177,
},
objectsByClassification: {
unclassified: 42000,
cui: 4832,
secret: 1000,
},
objectsBySource: {
"18SDS": 30000,
"Commercial": 12000,
"International": 5832,
},
averageTleAge: 2.3,
oldestTle: "2024-01-01T00:00:00.000Z",
newestTle: new Date().toISOString(),
lastUpdated: new Date().toISOString(),
};
}
private getMockSensorStatus(): SensorStatus[] {
return [
{
sensorName: "Space Fence (Kwajalein)",
status: "operational",
lastDataReceived: new Date(Date.now() - 300000).toISOString(),
observationsToday: 15420,
healthScore: 98.5,
},
{
sensorName: "Eglin AFB Radar",
status: "operational",
lastDataReceived: new Date(Date.now() - 180000).toISOString(),
observationsToday: 8760,
healthScore: 95.2,
},
{
sensorName: "Commercial SSA Provider 1",
status: "operational",
lastDataReceived: new Date(Date.now() - 120000).toISOString(),
observationsToday: 45200,
healthScore: 92.7,
},
];
}
private getRandomAlertLevel(): "low" | "medium" | "high" | "critical" {
const levels = ["low", "medium", "high", "critical"];
return levels[Math.floor(Math.random() * levels.length)] as any;
}
// Public API methods that call the UDL API
async getObject(noradId: string): Promise<SpaceObject | null> {
try {
const response = await this.makeApiCall(`/catalog/objects/${noradId}`);
return response;
} catch (error) {
console.error(`Failed to get object ${noradId}:`, error);
return null;
}
}
async searchObjects(criteria: any): Promise<SpaceObject[]> {
try {
const params: Record<string, any> = {};
if (criteria.name) params.name = criteria.name;
if (criteria.objectType) params.type = criteria.objectType;
if (criteria.source) params.source = criteria.source;
if (criteria.classification) params.classification = criteria.classification;
if (criteria.epochRange) {
params.epoch_start = criteria.epochRange.start;
params.epoch_end = criteria.epochRange.end;
}
const response = await this.makeApiCall('/catalog/objects', params);
return Array.isArray(response) ? response : [];
} catch (error) {
console.error('Failed to search objects:', error);
return [];
}
}
async getConjunctions(
primaryObject: string,
timeWindow: { start: string; end: string },
threshold: number
): Promise<ConjunctionEvent[]> {
try {
const params = {
primary: primaryObject,
start_time: timeWindow.start,
end_time: timeWindow.end,
threshold: threshold.toString(),
};
const response = await this.makeApiCall('/analysis/conjunctions', params);
return Array.isArray(response) ? response : [];
} catch (error) {
console.error('Failed to get conjunctions:', error);
return [];
}
}
async predictOrbit(
noradId: string,
predictionTime: string,
propagationModel: string
): Promise<OrbitalPrediction> {
try {
const params = {
norad_id: noradId,
prediction_time: predictionTime,
model: propagationModel,
};
const response = await this.makeApiCall('/analysis/predictions', params);
return response;
} catch (error) {
console.error('Failed to get orbital prediction:', error);
throw error;
}
}
async getSpaceFenceObservations(
noradId: string,
timeRange?: { start: string; end: string }
): Promise<SpaceFenceObservation[]> {
try {
const params: Record<string, any> = { norad_id: noradId };
if (timeRange) {
params.start_time = timeRange.start;
params.end_time = timeRange.end;
}
const response = await this.makeApiCall('/sensors/spacefence/observations', params);
return Array.isArray(response) ? response : [];
} catch (error) {
console.error('Failed to get Space Fence data:', error);
return [];
}
}
async getCatalogStats(): Promise<CatalogStats> {
try {
const response = await this.makeApiCall('/catalog/statistics');
return response;
} catch (error) {
console.error('Failed to get catalog stats:', error);
throw error;
}
}
async getSpaceObjectSchema(): Promise<any> {
return {
version: "1.0.0",
objectStructure: {
required: ["noradId", "name", "tle", "objectType", "createdAt", "updatedAt"],
optional: ["source", "classification", "lastTleUpdate"],
},
tleStructure: {
required: ["line1", "line2", "epoch"],
format: "NORAD Two-Line Element Set",
},
enums: {
objectType: ["satellite", "debris", "rocket body", "unknown"],
classification: ["unclassified", "cui", "secret"],
},
};
}
async getActiveConjunctions(): Promise<ConjunctionEvent[]> {
try {
const now = new Date();
const next24Hours = new Date(now.getTime() + 24 * 60 * 60 * 1000);
const params = {
start_time: now.toISOString(),
end_time: next24Hours.toISOString(),
active_only: 'true',
};
const response = await this.makeApiCall('/analysis/conjunctions/active', params);
return Array.isArray(response) ? response : [];
} catch (error) {
console.error('Failed to get active conjunctions:', error);
return [];
}
}
async getSensorStatus(): Promise<SensorStatus[]> {
try {
const response = await this.makeApiCall('/sensors/status');
return Array.isArray(response) ? response : this.getMockSensorStatus();
} catch (error) {
console.error('Failed to get sensor status:', error);
return this.getMockSensorStatus();
}
}
async getTleAgeReport(): Promise<any> {
try {
const response = await this.makeApiCall('/catalog/tle-age-report');
return response;
} catch (error) {
console.error('Failed to get TLE age report:', error);
// Return mock data
return {
ageDistribution: {
"0-1 days": 12000,
"1-3 days": 15000,
"3-7 days": 10000,
"7-14 days": 7000,
"14+ days": 3832,
},
staleTles: [
{ noradId: "12345", name: "OLD SATELLITE", ageInDays: 45.2 },
{ noradId: "23456", name: "DEBRIS PIECE", ageInDays: 38.7 },
],
totalObjects: 47832,
generatedAt: new Date().toISOString(),
};
}
}
}