Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.172004E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:11:30+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 64218
    NORAD ID 64218
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-34300
    Time of Closest Approach 2026-09-13T08:01:52+0000
    Collision Probability (Pc) 1.172004E-6
    Conjunction Distance (km) 2.871 km
    Relative Speed (km/s) 10.648 km/s
    Conjunction Risk Parameters R (Radial): 2.51 | I (In-track): 1.001 | C (Cross-track): -0.968
    Collision Risk Index (CRI) 0.36
    X Position (km) -628.011 -629.626
    Position Y (km) 5692.556 5694.494
    Position Z (km) -3744.397 -3745.766
    Velocity X (km/s) -5.752 -5.112
    Velocity Y (km/s) 2.294 -3.493
    Velocity Z (km/s) 4.458 -4.457

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-34300
    Semimajor Axis (a) 6837.876 km 6840.817 km
    Eccentricity (e) 0.000114 0.000121
    Inclination (i) 53.1588° 53.1578°
    RAAN 133.5380° 257.8054°
    Perigee Argument 93.7868° 90.3534°
    Mean Anomaly (M) 266.3266° 269.7607°
    Apogee 460.520 km 463.508 km
    Perigee 458.958 km 461.852 km
    Orbit Epoch 2026-09-11T15:36:02+0000 2026-09-11T00:21:05+0000

    STARLINK-3977 & STARLINK-34300 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-34300 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-34300 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-34300 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34300Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34300Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data