Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.713466E-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 66630
    NORAD ID 66630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-35949
    Time of Closest Approach 2026-09-04T12:26:51+0000
    Collision Probability (Pc) 1.713466E-6
    Conjunction Distance (km) 2.36 km
    Relative Speed (km/s) 11.85 km/s
    Conjunction Risk Parameters R (Radial): 2.321 | I (In-track): -0.269 | C (Cross-track): -0.334
    Collision Risk Index (CRI) 0.4
    X Position (km) 6397.488 6399.734
    Position Y (km) 1173.559 1173.534
    Position Z (km) -2121.828 -2122.548
    Velocity X (km/s) -2.671 0.934
    Velocity Y (km/s) 4.403 5.064
    Velocity Z (km/s) -5.634 5.634

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-35949
    Semimajor Axis (a) 6837.877 km 6840.842 km
    Eccentricity (e) 0.000146 0.000132
    Inclination (i) 53.1588° 53.1597°
    RAAN 179.4576° 29.7065°
    Perigee Argument 58.1642° 82.3385°
    Mean Anomaly (M) 301.9503° 277.7767°
    Apogee 460.741 km 463.609 km
    Perigee 458.739 km 461.801 km
    Orbit Epoch 2026-09-03T19:56:46+0000 2026-09-03T09:58:18+0000

    STARLINK-3990 & STARLINK-35949 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-35949 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-35949 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-35949 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35949Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35949Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data