Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.877184E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:42:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52540
    NORAD ID 52540
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60019
    NORAD ID 60019
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3940 STARLINK-31986
    Time of Closest Approach 2026-09-05T15:55:09+0000
    Collision Probability (Pc) 1.877184E-4
    Conjunction Distance (km) 0.432 km
    Relative Speed (km/s) 7.221 km/s
    Conjunction Risk Parameters R (Radial): -0.4 | I (In-track): -0.144 | C (Cross-track): 0.073
    Collision Risk Index (CRI) 0.8
    X Position (km) 385.878 386.017
    Position Y (km) 4634.813 4634.532
    Position Z (km) 5007.573 5007.277
    Velocity X (km/s) -6.929 -6.489
    Velocity Y (km/s) -2.08 3.198
    Velocity Z (km/s) 2.453 -2.453

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3940 STARLINK-31986
    Semimajor Axis (a) 6840.831 km 6840.870 km
    Eccentricity (e) 0.000113 0.000125
    Inclination (i) 53.1609° 53.1625°
    RAAN 45.4291° 336.2078°
    Perigee Argument 76.2906° 78.1398°
    Mean Anomaly (M) 348.6690° 281.9745°
    Apogee 463.470 km 463.588 km
    Perigee 461.918 km 461.878 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T23:53:01+0000

    STARLINK-3940 & STARLINK-31986 Collision Probability (Pc) Trend

    STARLINK-3940 & STARLINK-31986 Collision Probability (Pc) TrendNot Available

    STARLINK-3940 & STARLINK-31986 Miss Distance (Miss Distance) Trend

    STARLINK-3940 & STARLINK-31986 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3940Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31986Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3940Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31986Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3940

    No nearby objects data