Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.453886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T10:23:11+0800
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    1 Object 1

    AOE ID 31540
    NORAD ID 31540
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67387
    NORAD ID 67387
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LEMUR-2 KATIE
    Time of Closest Approach 2026-09-15T18:49:28+0000
    Collision Probability (Pc) 2.453886E-6
    Conjunction Distance (km) 2.13 km
    Relative Speed (km/s) 14.83 km/s
    Conjunction Risk Parameters R (Radial): -1.095 | I (In-track): -0.38 | C (Cross-track): -1.785
    Collision Risk Index (CRI) 0.43
    X Position (km) -529.659 -531.56
    Position Y (km) -5092.736 -5093.375
    Position Z (km) -4746.993 -4747.706
    Velocity X (km/s) -1.109 -1.914
    Velocity Y (km/s) 5.101 -4.869
    Velocity Z (km/s) -5.507 5.442

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LEMUR-2 KATIE
    Semimajor Axis (a) 7044.670 km 6974.014 km
    Eccentricity (e) 0.016959 0.000378
    Inclination (i) 99.0690° 97.8089°
    RAAN 88.1524° 254.4175°
    Perigee Argument 180.2227° 135.7264°
    Mean Anomaly (M) 179.8927° 224.4257°
    Apogee 786.008 km 598.515 km
    Perigee 547.058 km 593.239 km
    Orbit Epoch 2026-09-11T18:57:32+0000 2026-09-13T10:38:00+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2 KATIEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2 KATIECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data