Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.98722E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:07:20+0800
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    1 Object 1

    AOE ID 31666
    NORAD ID 31666
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 42945
    NORAD ID 42945
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YAOGAN-30 A
    Time of Closest Approach 2026-09-12T09:03:55+0000
    Collision Probability (Pc) 7.98722E-6
    Conjunction Distance (km) 1.395 km
    Relative Speed (km/s) 13.401 km/s
    Conjunction Risk Parameters R (Radial): -1.195 | I (In-track): 0.344 | C (Cross-track): 0.632
    Collision Risk Index (CRI) 0.53
    X Position (km) 966.866 967.57
    Position Y (km) 6165.701 6166.488
    Position Z (km) -3019.127 -3020.037
    Velocity X (km/s) 1.757 -7.03
    Velocity Y (km/s) 3.016 -0.28
    Velocity Z (km/s) 6.736 -2.83

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YAOGAN-30 A
    Semimajor Axis (a) 6937.825 km 6934.206 km
    Eccentricity (e) 0.001470 0.000241
    Inclination (i) 98.6612° 34.9966°
    RAAN 73.5936° 225.6929°
    Perigee Argument 352.7773° 201.7255°
    Mean Anomaly (M) 7.3234° 158.3351°
    Apogee 569.889 km 557.744 km
    Perigee 549.487 km 554.394 km
    Orbit Epoch 2026-09-09T10:51:07+0000 2026-09-11T00:10:37+0000

    FENGYUN 1C DEB & YAOGAN-30 A Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YAOGAN-30 A Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YAOGAN-30 A Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YAOGAN-30 A Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data