Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.981261E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T10:28:50+0800
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    1 Object 1

    AOE ID 66296
    NORAD ID 66296
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 66988
    NORAD ID 66988
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OBJECT D YAOGAN-47
    Time of Closest Approach 2026-09-13T19:23:04+0000
    Collision Probability (Pc) 1.981261E-6
    Conjunction Distance (km) 1.974 km
    Relative Speed (km/s) 7.811 km/s
    Conjunction Risk Parameters R (Radial): 0.127 | I (In-track): 1.693 | C (Cross-track): 1.008
    Collision Risk Index (CRI) 0.41
    X Position (km) 5285.211 5286.438
    Position Y (km) -2906.678 -2906.495
    Position Z (km) -3306.955 -3305.42
    Velocity X (km/s) 4.859 2.621
    Velocity Y (km/s) 4.284 -2.733
    Velocity Z (km/s) 3.998 6.601

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D YAOGAN-47
    Semimajor Axis (a) 6876.013 km 6873.851 km
    Eccentricity (e) 0.000450 0.000212
    Inclination (i) 45.4027° 97.4952°
    RAAN 16.9648° 324.9676°
    Perigee Argument 214.2635° 282.0044°
    Mean Anomaly (M) 145.7962° 78.0955°
    Apogee 500.973 km 497.172 km
    Perigee 494.779 km 494.256 km
    Orbit Epoch 2026-09-11T09:18:39+0000 2026-09-11T17:03:53+0000

    OBJECT D & YAOGAN-47 Collision Probability (Pc) Trend

    OBJECT D & YAOGAN-47 Collision Probability (Pc) TrendNot Available

    OBJECT D & YAOGAN-47 Miss Distance (Miss Distance) Trend

    OBJECT D & YAOGAN-47 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-47Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-47Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data