Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.245763E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T12:26:52+0800
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    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56018
    NORAD ID 56018
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-5945
    Time of Closest Approach 2026-11-01T16:39:50+0000
    Collision Probability (Pc) 3.245763E-6
    Conjunction Distance (km) 1.89 km
    Relative Speed (km/s) 14.266 km/s
    Conjunction Risk Parameters R (Radial): -1.761 | I (In-track): 0.236 | C (Cross-track): 0.643
    Collision Risk Index (CRI) 0.45
    X Position (km) 6339.752 6341.12
    Position Y (km) -2089.255 -2090.339
    Position Z (km) -1583.545 -1584.27
    Velocity X (km/s) 1.348 0.694
    Velocity Y (km/s) -1.468 5.804
    Velocity Z (km/s) 7.36 -4.895

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-5945
    Semimajor Axis (a) 6860.508 km 6861.222 km
    Eccentricity (e) 0.000699 0.000151
    Inclination (i) 97.1328° 43.0022°
    RAAN 338.3055° 161.9862°
    Perigee Argument 345.2246° 248.7409°
    Mean Anomaly (M) 14.8789° 111.3282°
    Apogee 487.166 km 484.121 km
    Perigee 477.576 km 482.049 km
    Orbit Epoch 2026-10-30T20:42:35+0000 2026-10-30T01:01:20+0000

    YAOGAN 21 & STARLINK-5945 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-5945 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-5945 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-5945 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5945Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5945Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data