Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.375885E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:52:06+0800
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    1 Object 1

    AOE ID 53832
    NORAD ID 53832
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60596
    NORAD ID 60596
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4747 STARLINK-31930
    Time of Closest Approach 2026-09-13T06:27:39+0000
    Collision Probability (Pc) 6.375885E-7
    Conjunction Distance (km) 2.463 km
    Relative Speed (km/s) 2.28 km/s
    Conjunction Risk Parameters R (Radial): -2.461 | I (In-track): -0.061 | C (Cross-track): -0.01
    Collision Risk Index (CRI) 0.31
    X Position (km) -1244.671 -1245.06
    Position Y (km) -3951.918 -3953.36
    Position Z (km) 5429.791 5431.748
    Velocity X (km/s) 7.479 6.933
    Velocity Y (km/s) -1.404 -3.134
    Velocity Z (km/s) 0.691 -0.69

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4747 STARLINK-31930
    Semimajor Axis (a) 6837.905 km 6840.991 km
    Eccentricity (e) 0.000114 0.000196
    Inclination (i) 53.1609° 53.1600°
    RAAN 178.2100° 157.0438°
    Perigee Argument 82.7634° 87.1502°
    Mean Anomaly (M) 277.3498° 272.9724°
    Apogee 460.547 km 464.194 km
    Perigee 458.989 km 461.514 km
    Orbit Epoch 2026-09-12T05:06:11+0000 2026-09-12T03:28:00+0000

    STARLINK-4747 & STARLINK-31930 Collision Probability (Pc) Trend

    STARLINK-4747 & STARLINK-31930 Collision Probability (Pc) TrendNot Available

    STARLINK-4747 & STARLINK-31930 Miss Distance (Miss Distance) Trend

    STARLINK-4747 & STARLINK-31930 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4747Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31930Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4747Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31930Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4747

    No nearby objects data