Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.88968E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T03:50:13+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30155
    NORAD ID 30155
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 62240
    NORAD ID 62240
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-39
    Time of Closest Approach 2026-10-22T07:35:59+0000
    Collision Probability (Pc) 2.88968E-6
    Conjunction Distance (km) 1.39 km
    Relative Speed (km/s) 2.825 km/s
    Conjunction Risk Parameters R (Radial): 1.318 | I (In-track): -0.423 | C (Cross-track): -0.121
    Collision Risk Index (CRI) 0.44
    X Position (km) -3593.52 -3594.557
    Position Y (km) -210.982 -211.072
    Position Z (km) -6230.474 -6231.395
    Velocity X (km/s) 5.985 6.428
    Velocity Y (km/s) 2.902 0.121
    Velocity Z (km/s) -3.51 -3.728

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-39
    Semimajor Axis (a) 7358.523 km 7184.668 km
    Eccentricity (e) 0.023587 0.001811
    Inclination (i) 99.7478° 89.0133°
    RAAN 19.5028° 1.7677°
    Perigee Argument 256.3763° 130.5684°
    Mean Anomaly (M) 101.1019° 229.7089°
    Apogee 1153.951 km 819.541 km
    Perigee 806.821 km 793.521 km
    Orbit Epoch 2026-10-21T04:13:32+0000 2026-10-21T06:53:42+0000

    FENGYUN 1C DEB & QIANFAN-39 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-39 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-39 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-39 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-39Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-39Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data