Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.475018E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T05:51:18+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63988
    NORAD ID 63988
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5643 OBJECT G
    Time of Closest Approach 2026-11-01T17:59:04+0000
    Collision Probability (Pc) 1.475018E-6
    Conjunction Distance (km) 2.813 km
    Relative Speed (km/s) 15.156 km/s
    Conjunction Risk Parameters R (Radial): 0.858 | I (In-track): 0.298 | C (Cross-track): -2.662
    Collision Risk Index (CRI) 0.38
    X Position (km) -6360.366 -6360.245
    Position Y (km) -1958.95 -1961.63
    Position Z (km) -1649.218 -1650.064
    Velocity X (km/s) -0.847 1.433
    Velocity Y (km/s) -3.071 1.495
    Velocity Z (km/s) 6.928 -7.342

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 OBJECT G
    Semimajor Axis (a) 6852.709 km 6860.646 km
    Eccentricity (e) 0.000301 0.001259
    Inclination (i) 69.9994° 97.3583°
    RAAN 206.6167° 17.7137°
    Perigee Argument 265.7927° 175.7025°
    Mean Anomaly (M) 94.2905° 184.4325°
    Apogee 476.634 km 491.148 km
    Perigee 472.510 km 473.870 km
    Orbit Epoch 2026-10-31T02:49:57+0000 2026-10-31T11:16:18+0000

    STARLINK-5643 & OBJECT G Collision Probability (Pc) Trend

    STARLINK-5643 & OBJECT G Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & OBJECT G Miss Distance (Miss Distance) Trend

    STARLINK-5643 & OBJECT G Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT GMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT GCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data