Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.959078E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:52:09+0800
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    1 Object 1

    AOE ID 31678
    NORAD ID 31678
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63351
    NORAD ID 63351
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LEMUR 2 UNTITLED-SC
    Time of Closest Approach 2026-09-04T18:55:03+0000
    Collision Probability (Pc) 1.959078E-6
    Conjunction Distance (km) 2.356 km
    Relative Speed (km/s) 14.718 km/s
    Conjunction Risk Parameters R (Radial): -0.75 | I (In-track): 0.591 | C (Cross-track): -2.153
    Collision Risk Index (CRI) 0.41
    X Position (km) 3217.683 3216.927
    Position Y (km) 1907.465 1909.613
    Position Z (km) -5815.628 -5816.233
    Velocity X (km/s) 6.442 -4.38
    Velocity Y (km/s) 1.288 -4.748
    Velocity Z (km/s) 3.972 -3.968

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LEMUR 2 UNTITLED-SC
    Semimajor Axis (a) 7081.100 km 6902.288 km
    Eccentricity (e) 0.024553 0.001856
    Inclination (i) 98.8208° 97.5727°
    RAAN 14.3726° 221.7330°
    Perigee Argument 304.0765° 359.5410°
    Mean Anomaly (M) 53.7345° 0.5801°
    Apogee 876.825 km 536.960 km
    Perigee 529.101 km 511.342 km
    Orbit Epoch 2026-09-02T14:25:58+0000 2026-09-03T21:14:51+0000

    FENGYUN 1C DEB & LEMUR 2 UNTITLED-SC Collision Probability (Pc) Trend

    FENGYUN 1C DEB & LEMUR 2 UNTITLED-SC Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & LEMUR 2 UNTITLED-SC Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & LEMUR 2 UNTITLED-SC Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 UNTITLED-SCMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 UNTITLED-SCCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data