Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.433005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:34:30+0800
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    1 Object 1

    AOE ID 52623
    NORAD ID 52623
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66156
    NORAD ID 66156
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3986 STARLINK-35621
    Time of Closest Approach 2026-09-04T09:49:53+0000
    Collision Probability (Pc) 2.433005E-6
    Conjunction Distance (km) 1.99 km
    Relative Speed (km/s) 11.211 km/s
    Conjunction Risk Parameters R (Radial): 1.986 | I (In-track): 0.083 | C (Cross-track): -0.091
    Collision Risk Index (CRI) 0.43
    X Position (km) -5437.163 -5438.794
    Position Y (km) 2641.15 2641.806
    Position Z (km) -3205.485 -3206.417
    Velocity X (km/s) -4.622 0.096
    Velocity Y (km/s) -3.512 -5.803
    Velocity Z (km/s) 4.954 -4.954

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3986 STARLINK-35621
    Semimajor Axis (a) 6837.853 km 6840.717 km
    Eccentricity (e) 0.000113 0.000177
    Inclination (i) 53.1592° 53.1583°
    RAAN 188.1580° 323.6415°
    Perigee Argument 87.7376° 106.6567°
    Mean Anomaly (M) 272.3757° 253.4630°
    Apogee 460.490 km 463.788 km
    Perigee 458.942 km 461.372 km
    Orbit Epoch 2026-09-02T03:18:33+0000 2026-09-01T15:14:41+0000

    STARLINK-3986 & STARLINK-35621 Collision Probability (Pc) Trend

    STARLINK-3986 & STARLINK-35621 Collision Probability (Pc) TrendNot Available

    STARLINK-3986 & STARLINK-35621 Miss Distance (Miss Distance) Trend

    STARLINK-3986 & STARLINK-35621 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3986Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35621Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3986Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35621Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3986

    No nearby objects data