Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.666485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:29:57+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 55488
    NORAD ID 55488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-5706
    Time of Closest Approach 2026-10-24T23:07:26+0000
    Collision Probability (Pc) 2.666485E-6
    Conjunction Distance (km) 2.028 km
    Relative Speed (km/s) 14.013 km/s
    Conjunction Risk Parameters R (Radial): -1.004 | I (In-track): -0.694 | C (Cross-track): -1.618
    Collision Risk Index (CRI) 0.44
    X Position (km) 5649.337 5651.136
    Position Y (km) -2499.444 -2498.59
    Position Z (km) -2986.963 -2986.581
    Velocity X (km/s) 2.574 0.735
    Velocity Y (km/s) -2.288 6.444
    Velocity Z (km/s) 6.8 -4.004

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-5706
    Semimajor Axis (a) 6860.643 km 6861.188 km
    Eccentricity (e) 0.000785 0.000198
    Inclination (i) 97.1348° 43.0015°
    RAAN 332.0392° 130.6714°
    Perigee Argument 8.0350° 266.3061°
    Mean Anomaly (M) 352.1015° 93.7564°
    Apogee 487.891 km 484.407 km
    Perigee 477.121 km 481.695 km
    Orbit Epoch 2026-10-24T07:31:05+0000 2026-10-23T22:37:40+0000

    YAOGAN 21 & STARLINK-5706 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-5706 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-5706 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-5706 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5706Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5706Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data