Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.06376E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:00:07+0800
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    1 Object 1

    AOE ID 52626
    NORAD ID 52626
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62321
    NORAD ID 62321
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-32645
    Time of Closest Approach 2026-09-06T20:48:31+0000
    Collision Probability (Pc) 1.06376E-6
    Conjunction Distance (km) 3 km
    Relative Speed (km/s) 9.864 km/s
    Conjunction Risk Parameters R (Radial): 2.383 | I (In-track): -1.396 | C (Cross-track): -1.172
    Collision Risk Index (CRI) 0.36
    X Position (km) 5008.102 5010.515
    Position Y (km) 1960.973 1959.96
    Position Z (km) -4231.072 -4232.538
    Velocity X (km/s) -4.96 0.717
    Velocity Y (km/s) 4.309 6.529
    Velocity Z (km/s) -3.877 3.877

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-32645
    Semimajor Axis (a) 6837.877 km 6840.809 km
    Eccentricity (e) 0.000146 0.000113
    Inclination (i) 53.1588° 53.1588°
    RAAN 179.4576° 76.3504°
    Perigee Argument 58.1642° 95.5813°
    Mean Anomaly (M) 301.9503° 264.5317°
    Apogee 460.741 km 463.443 km
    Perigee 458.739 km 461.901 km
    Orbit Epoch 2026-09-03T19:56:46+0000 2026-09-02T20:06:40+0000

    STARLINK-3990 & STARLINK-32645 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-32645 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-32645 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-32645 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32645Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32645Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data