Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.235353E-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 69534
    NORAD ID 69534
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-37407
    Time of Closest Approach 2026-09-05T00:40:40+0000
    Collision Probability (Pc) 1.235353E-6
    Conjunction Distance (km) 2.8 km
    Relative Speed (km/s) 11.014 km/s
    Conjunction Risk Parameters R (Radial): 2.709 | I (In-track): -0.491 | C (Cross-track): -0.509
    Collision Risk Index (CRI) 0.37
    X Position (km) 5018.094 5019.708
    Position Y (km) -3125.762 -3127.601
    Position Z (km) 3428.168 3429.527
    Velocity X (km/s) 5.151 0.449
    Velocity Y (km/s) 3.03 5.958
    Velocity Z (km/s) -4.76 4.759

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-37407
    Semimajor Axis (a) 6837.877 km 6840.827 km
    Eccentricity (e) 0.000146 0.000135
    Inclination (i) 53.1588° 53.1567°
    RAAN 179.4576° 308.1231°
    Perigee Argument 58.1642° 102.9521°
    Mean Anomaly (M) 301.9503° 257.1632°
    Apogee 460.741 km 463.611 km
    Perigee 458.739 km 461.769 km
    Orbit Epoch 2026-09-03T19:56:46+0000 2026-09-03T18:48:29+0000

    STARLINK-3990 & STARLINK-37407 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-37407 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-37407 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-37407 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37407Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37407Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data