Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.257046E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:51:37+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58718
    NORAD ID 58718
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-31097
    Time of Closest Approach 2026-09-03T09:53:18+0000
    Collision Probability (Pc) 1.257046E-6
    Conjunction Distance (km) 2.717 km
    Relative Speed (km/s) 10.548 km/s
    Conjunction Risk Parameters R (Radial): -2.716 | I (In-track): -0.022 | C (Cross-track): 0.009
    Collision Risk Index (CRI) 0.37
    X Position (km) 5093.436 5091.401
    Position Y (km) -2519.707 -2518.725
    Position Z (km) -3821.217 -3819.708
    Velocity X (km/s) 5.079 -0.191
    Velocity Y (km/s) 3.636 6.244
    Velocity Z (km/s) 4.378 -4.378

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-31097
    Semimajor Axis (a) 6843.365 km 6840.909 km
    Eccentricity (e) 0.000103 0.000121
    Inclination (i) 53.1618° 53.1594°
    RAAN 7.5652° 129.9890°
    Perigee Argument 84.4563° 114.3319°
    Mean Anomaly (M) 275.6557° 245.7810°
    Apogee 465.932 km 463.600 km
    Perigee 464.524 km 461.944 km
    Orbit Epoch 2026-09-02T15:18:41+0000 2026-09-02T00:05:13+0000

    STARLINK-4121 & STARLINK-31097 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-31097 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-31097 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-31097 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31097Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31097Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data