Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.576801E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:57:05+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60362
    NORAD ID 60362
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-32256
    Time of Closest Approach 2026-09-04T18:26:04+0000
    Collision Probability (Pc) 7.576801E-7
    Conjunction Distance (km) 2.482 km
    Relative Speed (km/s) 3.299 km/s
    Conjunction Risk Parameters R (Radial): 2.438 | I (In-track): 0.457 | C (Cross-track): 0.102
    Collision Risk Index (CRI) 0.33
    X Position (km) 101.495 102
    Position Y (km) -4194.553 -4196.037
    Position Z (km) 5389.382 5391.306
    Velocity X (km/s) 7.49 7.425
    Velocity Y (km/s) -1.121 1.484
    Velocity Z (km/s) -1.011 1.012

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-32256
    Semimajor Axis (a) 6837.872 km 6840.863 km
    Eccentricity (e) 0.000115 0.000208
    Inclination (i) 53.1590° 53.1618°
    RAAN 173.4624° 201.0699°
    Perigee Argument 85.2366° 97.3919°
    Mean Anomaly (M) 274.8768° 262.7321°
    Apogee 460.520 km 464.153 km
    Perigee 458.950 km 461.299 km
    Orbit Epoch 2026-09-03T02:56:51+0000 2026-09-03T21:45:48+0000

    STARLINK-3977 & STARLINK-32256 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-32256 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-32256 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-32256 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data