Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.050706E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:05:24+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) 8.050706E-6
    Conjunction Distance (km) 1.392 km
    Relative Speed (km/s) 13.401 km/s
    Conjunction Risk Parameters R (Radial): -1.249 | I (In-track): 0.285 | C (Cross-track): 0.541
    Collision Risk Index (CRI) 0.53
    X Position (km) 966.841 967.468
    Position Y (km) 6165.658 6166.534
    Position Z (km) -3019.221 -3020.102
    Velocity X (km/s) 1.757 -7.03
    Velocity Y (km/s) 3.016 -0.281
    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 6934.213 km
    Eccentricity (e) 0.001470 0.000233
    Inclination (i) 98.6612° 34.9967°
    RAAN 73.5936° 229.3402°
    Perigee Argument 352.7773° 196.9583°
    Mean Anomaly (M) 7.3234° 163.1048°
    Apogee 569.889 km 557.689 km
    Perigee 549.487 km 554.463 km
    Orbit Epoch 2026-09-09T10:51:07+0000 2026-09-10T09:50:01+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