Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.28096E-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 63653
    NORAD ID 63653
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-33866
    Time of Closest Approach 2026-11-01T10:16:03+0000
    Collision Probability (Pc) 2.28096E-6
    Conjunction Distance (km) 2.133 km
    Relative Speed (km/s) 13.256 km/s
    Conjunction Risk Parameters R (Radial): 0.762 | I (In-track): 0.984 | C (Cross-track): -1.732
    Collision Risk Index (CRI) 0.42
    X Position (km) 5232.023 5233.737
    Position Y (km) -1360.693 -1359.532
    Position Z (km) -4226.832 -4226.321
    Velocity X (km/s) 4.18 0.092
    Velocity Y (km/s) -2.328 7.285
    Velocity Z (km/s) 5.931 -2.231

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-33866
    Semimajor Axis (a) 6860.514 km 6861.141 km
    Eccentricity (e) 0.000709 0.000144
    Inclination (i) 97.1331° 42.9997°
    RAAN 337.4905° 124.5691°
    Perigee Argument 348.4536° 220.5624°
    Mean Anomaly (M) 11.6541° 139.5120°
    Apogee 487.243 km 483.995 km
    Perigee 477.511 km 482.013 km
    Orbit Epoch 2026-10-30T00:16:30+0000 2026-10-29T13:43:32+0000

    YAOGAN 21 & STARLINK-33866 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-33866 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-33866 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-33866 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33866Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33866Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data