Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.755788E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:25:47+0800
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    1 Object 1

    AOE ID 57181
    NORAD ID 57181
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 57731
    NORAD ID 57731
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OBJECT R YAOGAN-39 01C
    Time of Closest Approach 2026-09-05T23:32:27+0000
    Collision Probability (Pc) 2.755788E-6
    Conjunction Distance (km) 1.852 km
    Relative Speed (km/s) 10.119 km/s
    Conjunction Risk Parameters R (Radial): -0.607 | I (In-track): 1.307 | C (Cross-track): -1.161
    Collision Risk Index (CRI) 0.44
    X Position (km) -3488.153 -3487.236
    Position Y (km) 4708.994 4709.354
    Position Z (km) 3630.563 3632.131
    Velocity X (km/s) -1.419 -6.528
    Velocity Y (km/s) 3.877 -3.501
    Velocity Z (km/s) -6.39 -1.716

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT R YAOGAN-39 01C
    Semimajor Axis (a) 6899.453 km 6893.655 km
    Eccentricity (e) 0.001389 0.001086
    Inclination (i) 97.4991° 34.9943°
    RAAN 300.7789° 16.4042°
    Perigee Argument 216.8311° 310.9803°
    Mean Anomaly (M) 143.1968° 48.9970°
    Apogee 530.897 km 523.007 km
    Perigee 511.735 km 508.029 km
    Orbit Epoch 2026-09-04T21:31:31+0000 2026-09-04T18:36:37+0000

    OBJECT R & YAOGAN-39 01C Collision Probability (Pc) Trend

    OBJECT R & YAOGAN-39 01C Collision Probability (Pc) TrendNot Available

    OBJECT R & YAOGAN-39 01C Miss Distance (Miss Distance) Trend

    OBJECT R & YAOGAN-39 01C Miss Distance (Miss Distance) TrendNot Available

    OBJECT RMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 01CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT RCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 01CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT R

    No nearby objects data