Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.543876E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T22:39:18+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 31656
    NORAD ID 31656
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ORBCOMM FM 9 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-10T03:17:58+0000
    Collision Probability (Pc) 4.543876E-6
    Conjunction Distance (km) 1.613 km
    Relative Speed (km/s) 11.737 km/s
    Conjunction Risk Parameters R (Radial): -0.855 | I (In-track): 0.858 | C (Cross-track): 1.066
    Collision Risk Index (CRI) 0.48
    X Position (km) -916.031 -915.173
    Position Y (km) 4943.939 4943.939
    Position Z (km) 5027.536 5028.902
    Velocity X (km/s) -7.359 0.723
    Velocity Y (km/s) -1.381 5.383
    Velocity Z (km/s) 0.02 -5.143

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 9 FENGYUN 1C DEB
    Semimajor Axis (a) 7114.616 km 7102.129 km
    Eccentricity (e) 0.000481 0.001897
    Inclination (i) 45.0159° 99.1981°
    RAAN 17.5013° 269.9337°
    Perigee Argument 302.5875° 331.8053°
    Mean Anomaly (M) 57.4513° 57.4727°
    Apogee 739.899 km 737.467 km
    Perigee 733.059 km 710.517 km
    Orbit Epoch 2026-09-08T17:44:23+0000 2026-09-09T00:19:44+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