Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.31043E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T23:00:35+0800
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    1 Object 1

    AOE ID 53732
    NORAD ID 53732
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68321
    NORAD ID 68321
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4661 STARLINK-36987
    Time of Closest Approach 2026-09-14T23:35:54+0000
    Collision Probability (Pc) 2.31043E-6
    Conjunction Distance (km) 1.852 km
    Relative Speed (km/s) 7.665 km/s
    Conjunction Risk Parameters R (Radial): 0.126 | I (In-track): 1.595 | C (Cross-track): 0.933
    Collision Risk Index (CRI) 0.42
    X Position (km) 2481.82 2483.347
    Position Y (km) 4049.941 4048.899
    Position Z (km) -4930.371 -4930.284
    Velocity X (km/s) -4.178 -7.062
    Velocity Y (km/s) 5.797 1.095
    Velocity Z (km/s) 2.661 -2.66

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4661 STARLINK-36987
    Semimajor Axis (a) 6840.867 km 6840.836 km
    Eccentricity (e) 0.000107 0.000156
    Inclination (i) 53.1599° 53.1553°
    RAAN 123.8571° 200.6745°
    Perigee Argument 90.6416° 94.3852°
    Mean Anomaly (M) 269.4708° 265.7329°
    Apogee 463.460 km 463.764 km
    Perigee 462.000 km 461.634 km
    Orbit Epoch 2026-09-11T22:24:15+0000 2026-09-12T03:19:15+0000

    STARLINK-4661 & STARLINK-36987 Collision Probability (Pc) Trend

    STARLINK-4661 & STARLINK-36987 Collision Probability (Pc) TrendNot Available

    STARLINK-4661 & STARLINK-36987 Miss Distance (Miss Distance) Trend

    STARLINK-4661 & STARLINK-36987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4661Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4661Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4661

    No nearby objects data