Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.264915E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:31:55+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 61714
    NORAD ID 61714
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-32440
    Time of Closest Approach 2026-09-03T07:38:18+0000
    Collision Probability (Pc) 1.264915E-6
    Conjunction Distance (km) 2.877 km
    Relative Speed (km/s) 12.227 km/s
    Conjunction Risk Parameters R (Radial): 2.861 | I (In-track): 0.181 | C (Cross-track): -0.244
    Collision Risk Index (CRI) 0.37
    X Position (km) -6788.851 -6791.726
    Position Y (km) 818.971 819.011
    Position Z (km) 91.525 91.561
    Velocity X (km/s) -0.459 -0.637
    Velocity Y (km/s) -4.556 -4.533
    Velocity Z (km/s) 6.113 -6.112

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-32440
    Semimajor Axis (a) 6837.872 km 6840.869 km
    Eccentricity (e) 0.000131 0.000093
    Inclination (i) 53.1589° 53.1617°
    RAAN 178.3394° 1.7688°
    Perigee Argument 88.3617° 94.7778°
    Mean Anomaly (M) 271.7536° 265.3331°
    Apogee 460.630 km 463.369 km
    Perigee 458.840 km 462.095 km
    Orbit Epoch 2026-09-02T01:57:07+0000 2026-09-01T14:13:02+0000

    STARLINK-3977 & STARLINK-32440 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-32440 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-32440 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-32440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data