Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.950839E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:15:19+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 63146
    NORAD ID 63146
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32952
    Time of Closest Approach 2026-10-31T09:10:27+0000
    Collision Probability (Pc) 6.950839E-6
    Conjunction Distance (km) 1.468 km
    Relative Speed (km/s) 14.034 km/s
    Conjunction Risk Parameters R (Radial): 1.299 | I (In-track): -0.263 | C (Cross-track): 0.631
    Collision Risk Index (CRI) 0.52
    X Position (km) 5914.125 5914.924
    Position Y (km) -1902.462 -1903.337
    Position Z (km) -2912.441 -2913.307
    Velocity X (km/s) 2.726 0.071
    Velocity Y (km/s) -1.975 6.444
    Velocity Z (km/s) 6.839 -4.07

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32952
    Semimajor Axis (a) 6860.514 km 6861.232 km
    Eccentricity (e) 0.000709 0.000133
    Inclination (i) 97.1331° 42.9998°
    RAAN 337.4905° 142.5896°
    Perigee Argument 348.4536° 260.3299°
    Mean Anomaly (M) 11.6541° 34.8266°
    Apogee 487.243 km 484.008 km
    Perigee 477.511 km 482.182 km
    Orbit Epoch 2026-10-30T00:16:30+0000 2026-10-29T12:00:05+0000

    YAOGAN 21 & STARLINK-32952 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32952 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32952 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32952 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32952Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32952Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data