Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.485502E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:20:49+0800
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    1 Object 1

    AOE ID 46075
    NORAD ID 46075
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53054
    NORAD ID 53054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1551 STARLINK-4339
    Time of Closest Approach 2026-09-13T23:59:37+0000
    Collision Probability (Pc) 1.485502E-5
    Conjunction Distance (km) 1.166 km
    Relative Speed (km/s) 13.452 km/s
    Conjunction Risk Parameters R (Radial): -1.084 | I (In-track): -0.192 | C (Cross-track): -0.383
    Collision Risk Index (CRI) 0.58
    X Position (km) -1941.391 -1941.306
    Position Y (km) -4011.483 -4012.084
    Position Z (km) -5207.815 -5208.81
    Velocity X (km/s) 5.355 1.134
    Velocity Y (km/s) -5.073 5.756
    Velocity Z (km/s) 1.913 -4.86

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1551 STARLINK-4339
    Semimajor Axis (a) 6848.883 km 6848.405 km
    Eccentricity (e) 0.000109 0.000228
    Inclination (i) 53.1594° 97.2841°
    RAAN 321.7000° 69.8263°
    Perigee Argument 88.2896° 103.6793°
    Mean Anomaly (M) 271.8231° 152.6319°
    Apogee 471.494 km 471.831 km
    Perigee 469.998 km 468.705 km
    Orbit Epoch 2026-09-10T11:44:29+0000 2026-09-11T00:00:04+0000

    STARLINK-1551 & STARLINK-4339 Collision Probability (Pc) Trend

    STARLINK-1551 & STARLINK-4339 Collision Probability (Pc) TrendNot Available

    STARLINK-1551 & STARLINK-4339 Miss Distance (Miss Distance) Trend

    STARLINK-1551 & STARLINK-4339 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1551Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1551

    No nearby objects data