Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.842736E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T15:18:49+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 63283
    NORAD ID 63283
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-33669
    Time of Closest Approach 2026-10-23T07:46:07+0000
    Collision Probability (Pc) 8.842736E-5
    Conjunction Distance (km) 0.627 km
    Relative Speed (km/s) 9.646 km/s
    Conjunction Risk Parameters R (Radial): -0.584 | I (In-track): -0.176 | C (Cross-track): -0.142
    Collision Risk Index (CRI) 0.74
    X Position (km) 4930.452 4931.029
    Position Y (km) -2109.709 -2109.831
    Position Z (km) -4283.855 -4284.067
    Velocity X (km/s) 3.834 4.342
    Velocity Y (km/s) -2.958 5.899
    Velocity Z (km/s) 5.881 2.094

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-33669
    Semimajor Axis (a) 6860.693 km 6861.093 km
    Eccentricity (e) 0.000793 0.000051
    Inclination (i) 97.1355° 43.0083°
    RAAN 330.7217° 41.2800°
    Perigee Argument 13.6436° 70.1183°
    Mean Anomaly (M) 346.5017° 289.9723°
    Apogee 488.000 km 483.306 km
    Perigee 477.112 km 482.606 km
    Orbit Epoch 2026-10-22T22:30:26+0000 2026-10-22T08:31:11+0000

    YAOGAN 21 & STARLINK-33669 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-33669 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-33669 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-33669 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33669Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33669Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data