Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.388957E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:35:13+0800
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    1 Object 1

    AOE ID 31664
    NORAD ID 31664
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56165
    NORAD ID 56165
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB CHECKMATE 6
    Time of Closest Approach 2026-09-13T02:24:13+0000
    Collision Probability (Pc) 1.388957E-6
    Conjunction Distance (km) 2.626 km
    Relative Speed (km/s) 11.45 km/s
    Conjunction Risk Parameters R (Radial): -1.496 | I (In-track): -1.354 | C (Cross-track): 1.68
    Collision Risk Index (CRI) 0.38
    X Position (km) 627.404 626.338
    Position Y (km) -1310.796 -1308.634
    Position Z (km) -7187.645 -7186.606
    Velocity X (km/s) -3.106 7.152
    Velocity Y (km/s) -6.561 -1.475
    Velocity Z (km/s) 0.919 0.9

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB CHECKMATE 6
    Semimajor Axis (a) 7235.248 km 7311.467 km
    Eccentricity (e) 0.012537 0.002067
    Inclination (i) 98.7717° 81.0087°
    RAAN 244.1436° 349.5070°
    Perigee Argument 105.9316° 71.4440°
    Mean Anomaly (M) 255.5710° 288.8961°
    Apogee 947.819 km 948.445 km
    Perigee 766.403 km 918.215 km
    Orbit Epoch 2026-09-11T09:56:51+0000 2026-09-10T17:44:20+0000

    FENGYUN 1C DEB & CHECKMATE 6 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & CHECKMATE 6 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & CHECKMATE 6 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & CHECKMATE 6 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHECKMATE 6Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CHECKMATE 6Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data