Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.640493E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:13:28+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 60320
    NORAD ID 60320
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-32199
    Time of Closest Approach 2026-09-06T12:35:48+0000
    Collision Probability (Pc) 4.640493E-7
    Conjunction Distance (km) 2.931 km
    Relative Speed (km/s) 1.862 km/s
    Conjunction Risk Parameters R (Radial): -2.886 | I (In-track): -0.504 | C (Cross-track): 0.058
    Collision Risk Index (CRI) 0.28
    X Position (km) -978.772 -978.692
    Position Y (km) -4010.042 -4011.853
    Position Z (km) 5441.486 5443.789
    Velocity X (km/s) 7.192 7.542
    Velocity Y (km/s) -2.519 -1.076
    Velocity Z (km/s) -0.561 0.561

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-32199
    Semimajor Axis (a) 6837.880 km 6840.884 km
    Eccentricity (e) 0.000121 0.000140
    Inclination (i) 53.1587° 53.1590°
    RAAN 168.5915° 187.6009°
    Perigee Argument 78.6624° 81.1639°
    Mean Anomaly (M) 281.4514° 278.9523°
    Apogee 460.569 km 463.708 km
    Perigee 458.917 km 461.786 km
    Orbit Epoch 2026-09-04T03:56:36+0000 2026-09-03T20:08:07+0000

    STARLINK-3977 & STARLINK-32199 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-32199 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-32199 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-32199 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32199Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32199Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data