Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.52E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:38:44+0800
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    1 Object 1

    AOE ID 31313
    NORAD ID 31313
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69801
    NORAD ID 69801
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-202
    Time of Closest Approach 2026-09-06T10:36:26+0000
    Collision Probability (Pc) 4.52E-6
    Conjunction Distance (km) 1.698 km
    Relative Speed (km/s) 14.736 km/s
    Conjunction Risk Parameters R (Radial): 1.697 | I (In-track): -0.001 | C (Cross-track): -0.056
    Collision Risk Index (CRI) 0.48
    X Position (km) -4890.222 -4891.382
    Position Y (km) 507.038 507.103
    Position Z (km) -5306.569 -5307.805
    Velocity X (km/s) -5.078 5.388
    Velocity Y (km/s) 2.24 -0.75
    Velocity Z (km/s) 4.896 -5.036

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-202
    Semimajor Axis (a) 7194.764 km 7222.629 km
    Eccentricity (e) 0.004519 0.000918
    Inclination (i) 99.0016° 88.9976°
    RAAN 161.2942° 353.2902°
    Perigee Argument 141.7254° 34.3621°
    Mean Anomaly (M) 218.7144° 325.8158°
    Apogee 849.138 km 851.126 km
    Perigee 784.116 km 837.858 km
    Orbit Epoch 2026-09-03T13:37:31+0000 2026-09-03T20:24:38+0000

    FENGYUN 1C DEB & QIANFAN-202 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-202 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-202 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-202 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-202Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-202Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data