Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.84061E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T21:55:21+0800
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    1 Object 1

    AOE ID 25116
    NORAD ID 25116
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 29912
    NORAD ID 29912
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ORBCOMM FM 9 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-17T12:24:21+0000
    Collision Probability (Pc) 5.84061E-6
    Conjunction Distance (km) 1.37 km
    Relative Speed (km/s) 7.771 km/s
    Conjunction Risk Parameters R (Radial): 1.363 | I (In-track): 0.117 | C (Cross-track): 0.075
    Collision Risk Index (CRI) 0.5
    X Position (km) 6284.925 6286.065
    Position Y (km) 687.152 687.324
    Position Z (km) 3250.138 3250.877
    Velocity X (km/s) -2.716 -3.251
    Velocity Y (km/s) 5.693 -1.643
    Velocity Z (km/s) 4.042 6.547

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 9 FENGYUN 1C DEB
    Semimajor Axis (a) 7114.578 km 7116.966 km
    Eccentricity (e) 0.000452 0.004095
    Inclination (i) 45.0162° 98.7431°
    RAAN 345.9652° 7.4315°
    Perigee Argument 329.7784° 116.6507°
    Mean Anomaly (M) 30.2806° 297.6345°
    Apogee 739.656 km 767.976 km
    Perigee 733.226 km 709.682 km
    Orbit Epoch 2026-09-15T07:11:11+0000 2026-09-14T06:28:22+0000

    ORBCOMM FM 9 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    ORBCOMM FM 9 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 9 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 9 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 9Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 9Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 9

    No nearby objects data