Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.476852E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T03:40:48+0800
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    1 Object 1

    AOE ID 53024
    NORAD ID 53024
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68068
    NORAD ID 68068
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4289 STARLINK-36990
    Time of Closest Approach 2026-09-13T12:58:19+0000
    Collision Probability (Pc) 8.476852E-7
    Conjunction Distance (km) 2.904 km
    Relative Speed (km/s) 6.119 km/s
    Conjunction Risk Parameters R (Radial): -2.875 | I (In-track): 0.37 | C (Cross-track): 0.163
    Collision Risk Index (CRI) 0.34
    X Position (km) 4339.039 4340.963
    Position Y (km) 1077.595 1077.656
    Position Z (km) 5163.767 5165.94
    Velocity X (km/s) -3.935 0.559
    Velocity Y (km/s) 6.237 7.352
    Velocity Z (km/s) 2 -1.999

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4289 STARLINK-36990
    Semimajor Axis (a) 6837.882 km 6840.746 km
    Eccentricity (e) 0.000144 0.000121
    Inclination (i) 53.1624° 53.1578°
    RAAN 323.1738° 259.8164°
    Perigee Argument 71.0059° 110.6079°
    Mean Anomaly (M) 289.1101° 249.5054°
    Apogee 460.734 km 463.441 km
    Perigee 458.756 km 461.777 km
    Orbit Epoch 2026-09-11T13:47:52+0000 2026-09-12T06:47:54+0000

    STARLINK-4289 & STARLINK-36990 Collision Probability (Pc) Trend

    STARLINK-4289 & STARLINK-36990 Collision Probability (Pc) TrendNot Available

    STARLINK-4289 & STARLINK-36990 Miss Distance (Miss Distance) Trend

    STARLINK-4289 & STARLINK-36990 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4289Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4289Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4289

    No nearby objects data