Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.612021E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:20:32+0800
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    1 Object 1

    AOE ID 36686
    NORAD ID 36686
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66782
    NORAD ID 66782
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LEMUR-2-FINNIAN
    Time of Closest Approach 2026-09-05T09:41:08+0000
    Collision Probability (Pc) 9.612021E-6
    Conjunction Distance (km) 1.347 km
    Relative Speed (km/s) 14.775 km/s
    Conjunction Risk Parameters R (Radial): -0.368 | I (In-track): 0.309 | C (Cross-track): 1.259
    Collision Risk Index (CRI) 0.55
    X Position (km) -2657.679 -2656.504
    Position Y (km) 3461.947 3462.544
    Position Z (km) -5403.464 -5403.185
    Velocity X (km/s) -1.996 4.756
    Velocity Y (km/s) 5.703 -3.605
    Velocity Z (km/s) 4.618 -4.659

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LEMUR-2-FINNIAN
    Semimajor Axis (a) 7005.831 km 6942.197 km
    Eccentricity (e) 0.009746 0.001058
    Inclination (i) 98.9792° 97.5280°
    RAAN 114.0430° 315.1982°
    Perigee Argument 302.1426° 176.9597°
    Mean Anomaly (M) 57.0355° 183.1693°
    Apogee 695.973 km 571.403 km
    Perigee 559.415 km 556.717 km
    Orbit Epoch 2026-09-03T10:52:43+0000 2026-09-03T15:03:25+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-FINNIANMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-FINNIANCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data