Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.397238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:58:22+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 45747
    NORAD ID 45747
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54064
    NORAD ID 54064
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1506 STARLINK-5172
    Time of Closest Approach 2026-09-13T23:59:46+0000
    Collision Probability (Pc) 1.397238E-6
    Conjunction Distance (km) 2.509 km
    Relative Speed (km/s) 10.164 km/s
    Conjunction Risk Parameters R (Radial): 2.487 | I (In-track): 0.245 | C (Cross-track): 0.225
    Collision Risk Index (CRI) 0.38
    X Position (km) 5351.072 5349.211
    Position Y (km) 1360.996 1360.181
    Position Z (km) -4064.534 -4063.063
    Velocity X (km/s) 1.513 -4.321
    Velocity Y (km/s) 6.251 4.758
    Velocity Z (km/s) 4.088 -4.1

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1506 STARLINK-5172
    Semimajor Axis (a) 6849.144 km 6848.862 km
    Eccentricity (e) 0.000424 0.000112
    Inclination (i) 53.0746° 53.1609°
    RAAN 58.1957° 169.4712°
    Perigee Argument 126.6985° 81.5007°
    Mean Anomaly (M) 233.4405° 278.6121°
    Apogee 473.909 km 471.495 km
    Perigee 468.105 km 469.955 km
    Orbit Epoch 2026-09-11T18:57:30+0000 2026-09-12T03:09:29+0000

    STARLINK-1506 & STARLINK-5172 Collision Probability (Pc) Trend

    STARLINK-1506 & STARLINK-5172 Collision Probability (Pc) TrendNot Available

    STARLINK-1506 & STARLINK-5172 Miss Distance (Miss Distance) Trend

    STARLINK-1506 & STARLINK-5172 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1506Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5172Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1506Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5172Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1506

    No nearby objects data