Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.87455E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T02:07:43+0800
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    1 Object 1

    AOE ID 53020
    NORAD ID 53020
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58927
    NORAD ID 58927
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4287 OBJECT L
    Time of Closest Approach 2026-09-13T00:01:46+0000
    Collision Probability (Pc) 1.87455E-6
    Conjunction Distance (km) 1.874 km
    Relative Speed (km/s) 5.767 km/s
    Conjunction Risk Parameters R (Radial): 0.979 | I (In-track): -1.479 | C (Cross-track): -0.604
    Collision Risk Index (CRI) 0.4
    X Position (km) -5324.82 -5324.194
    Position Y (km) 4238.703 4237.679
    Position Z (km) -678.562 -680.001
    Velocity X (km/s) -2.397 1.192
    Velocity Y (km/s) -3.971 0.297
    Velocity Z (km/s) -6.067 -7.538

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4287 OBJECT L
    Semimajor Axis (a) 6837.870 km 6837.897 km
    Eccentricity (e) 0.000116 0.000480
    Inclination (i) 53.1619° 97.2990°
    RAAN 323.7525° 321.5378°
    Perigee Argument 80.1153° 213.2998°
    Mean Anomaly (M) 279.9980° 146.7944°
    Apogee 460.525 km 463.042 km
    Perigee 458.941 km 456.478 km
    Orbit Epoch 2026-09-11T14:24:42+0000 2026-09-12T07:34:56+0000

    STARLINK-4287 & OBJECT L Collision Probability (Pc) Trend

    STARLINK-4287 & OBJECT L Collision Probability (Pc) TrendNot Available

    STARLINK-4287 & OBJECT L Miss Distance (Miss Distance) Trend

    STARLINK-4287 & OBJECT L Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4287Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT LMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4287Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT LCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4287

    No nearby objects data