Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.476171E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:48:28+0800
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    1 Object 1

    AOE ID 53017
    NORAD ID 53017
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63898
    NORAD ID 63898
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4281 STARLINK-34120
    Time of Closest Approach 2026-09-03T21:22:15+0000
    Collision Probability (Pc) 1.476171E-6
    Conjunction Distance (km) 2.184 km
    Relative Speed (km/s) 7.074 km/s
    Conjunction Risk Parameters R (Radial): -0.799 | I (In-track): -1.803 | C (Cross-track): 0.936
    Collision Risk Index (CRI) 0.38
    X Position (km) 5223.368 5223.165
    Position Y (km) 410.845 408.829
    Position Z (km) 4421.687 4420.875
    Velocity X (km/s) -3.52 0.853
    Velocity Y (km/s) 5.719 7.39
    Velocity Z (km/s) 3.617 -1.686

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4281 STARLINK-34120
    Semimajor Axis (a) 6862.072 km 6861.166 km
    Eccentricity (e) 0.000082 0.000076
    Inclination (i) 53.2146° 43.0014°
    RAAN 330.9952° 261.2963°
    Perigee Argument 57.5497° 278.1894°
    Mean Anomaly (M) 103.6462° 81.8872°
    Apogee 484.502 km 483.548 km
    Perigee 483.368 km 482.510 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T18:40:52+0000

    STARLINK-4281 & STARLINK-34120 Collision Probability (Pc) Trend

    STARLINK-4281 & STARLINK-34120 Collision Probability (Pc) TrendNot Available

    STARLINK-4281 & STARLINK-34120 Miss Distance (Miss Distance) Trend

    STARLINK-4281 & STARLINK-34120 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4281Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34120Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4281Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34120Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4281

    No nearby objects data