Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.915085E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:25+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58514
    NORAD ID 58514
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-30983
    Time of Closest Approach 2026-09-03T05:14:06+0000
    Collision Probability (Pc) 8.915085E-5
    Conjunction Distance (km) 0.669 km
    Relative Speed (km/s) 12.908 km/s
    Conjunction Risk Parameters R (Radial): -0.135 | I (In-track): -0.337 | C (Cross-track): -0.561
    Collision Risk Index (CRI) 0.74
    X Position (km) -2217.483 -2217.106
    Position Y (km) 4735.805 4736.173
    Position Z (km) -4445.806 -4445.394
    Velocity X (km/s) 3.209 -7.21
    Velocity Y (km/s) -3.866 -1.851
    Velocity Z (km/s) -5.723 1.624

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-30983
    Semimajor Axis (a) 6856.763 km 6861.237 km
    Eccentricity (e) 0.000063 0.000151
    Inclination (i) 97.2841° 43.0050°
    RAAN 300.7940° 187.0846°
    Perigee Argument 65.7066° 256.8940°
    Mean Anomaly (M) 1.4506° 103.1743°
    Apogee 479.058 km 484.140 km
    Perigee 478.194 km 482.060 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-02T02:52:13+0000

    STARLINK-4377 & STARLINK-30983 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-30983 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-30983 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-30983 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30983Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30983Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data