Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.664158E-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 68525
    NORAD ID 68525
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-36311
    Time of Closest Approach 2026-09-06T19:05:29+0000
    Collision Probability (Pc) 1.664158E-6
    Conjunction Distance (km) 2.41 km
    Relative Speed (km/s) 12.069 km/s
    Conjunction Risk Parameters R (Radial): 2.371 | I (In-track): -0.267 | C (Cross-track): -0.337
    Collision Risk Index (CRI) 0.39
    X Position (km) 6664.565 6666.835
    Position Y (km) -621.079 -621.723
    Position Z (km) -1412.206 -1412.691
    Velocity X (km/s) -0.8 1.668
    Velocity Y (km/s) 4.772 4.541
    Velocity Z (km/s) -5.906 5.905

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-36311
    Semimajor Axis (a) 6837.877 km 6840.867 km
    Eccentricity (e) 0.000146 0.000115
    Inclination (i) 53.1588° 53.1577°
    RAAN 179.4576° 17.7731°
    Perigee Argument 58.1642° 79.4100°
    Mean Anomaly (M) 301.9503° 280.7032°
    Apogee 460.741 km 463.519 km
    Perigee 458.739 km 461.941 km
    Orbit Epoch 2026-09-03T19:56:46+0000 2026-09-03T19:14:53+0000

    STARLINK-3990 & STARLINK-36311 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-36311 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-36311 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-36311 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36311Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36311Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data