Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.927615E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:00:09+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 57023
    NORAD ID 57023
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3990 OBJECT V
    Time of Closest Approach 2026-09-06T19:56:59+0000
    Collision Probability (Pc) 1.927615E-6
    Conjunction Distance (km) 2.372 km
    Relative Speed (km/s) 14.642 km/s
    Conjunction Risk Parameters R (Radial): -1.665 | I (In-track): 0.468 | C (Cross-track): -1.621
    Collision Risk Index (CRI) 0.41
    X Position (km) -6130.611 -6129.259
    Position Y (km) -683.065 -684.446
    Position Z (km) 2941.865 2940.491
    Velocity X (km/s) 3.013 -3.368
    Velocity Y (km/s) -4.77 0.735
    Velocity Z (km/s) 5.152 -6.821

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 OBJECT V
    Semimajor Axis (a) 6837.877 km 6837.291 km
    Eccentricity (e) 0.000146 0.000628
    Inclination (i) 53.1588° 97.4998°
    RAAN 179.4576° 359.8235°
    Perigee Argument 58.1642° 140.4042°
    Mean Anomaly (M) 301.9503° 219.7660°
    Apogee 460.741 km 463.446 km
    Perigee 458.739 km 454.862 km
    Orbit Epoch 2026-09-03T19:56:46+0000 2026-09-03T22:28:12+0000

    STARLINK-3990 & OBJECT V Collision Probability (Pc) Trend

    STARLINK-3990 & OBJECT V Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & OBJECT V Miss Distance (Miss Distance) Trend

    STARLINK-3990 & OBJECT V Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT VMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT VCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data