Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.469259E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:25:10+0800
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    1 Object 1

    AOE ID 52503
    NORAD ID 52503
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65934
    NORAD ID 65934
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3861 STARLINK-33921
    Time of Closest Approach 2026-09-05T07:08:41+0000
    Collision Probability (Pc) 1.469259E-6
    Conjunction Distance (km) 2.396 km
    Relative Speed (km/s) 9.605 km/s
    Conjunction Risk Parameters R (Radial): -2.304 | I (In-track): -0.511 | C (Cross-track): -0.404
    Collision Risk Index (CRI) 0.38
    X Position (km) -126.752 -126.142
    Position Y (km) -5279.254 -5281.042
    Position Z (km) -4351.586 -4353.058
    Velocity X (km/s) 5.853 5.998
    Velocity Y (km/s) -3.194 2.909
    Velocity Z (km/s) 3.708 -3.707

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3861 STARLINK-33921
    Semimajor Axis (a) 6837.858 km 6840.878 km
    Eccentricity (e) 0.000110 0.000076
    Inclination (i) 53.1612° 53.1605°
    RAAN 323.8043° 63.4663°
    Perigee Argument 67.6891° 122.5599°
    Mean Anomaly (M) 292.4229° 237.5477°
    Apogee 460.476 km 463.263 km
    Perigee 458.966 km 462.219 km
    Orbit Epoch 2026-09-01T15:53:19+0000 2026-09-02T12:28:50+0000

    STARLINK-3861 & STARLINK-33921 Collision Probability (Pc) Trend

    STARLINK-3861 & STARLINK-33921 Collision Probability (Pc) TrendNot Available

    STARLINK-3861 & STARLINK-33921 Miss Distance (Miss Distance) Trend

    STARLINK-3861 & STARLINK-33921 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3861Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3861Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3861

    No nearby objects data