Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.242448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T18:08:20+0800
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    1 Object 1

    AOE ID 25414
    NORAD ID 25414
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 29819
    NORAD ID 29819
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ORBCOMM FM 18 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-07T12:24:46+0000
    Collision Probability (Pc) 1.242448E-6
    Conjunction Distance (km) 2.384 km
    Relative Speed (km/s) 7.109 km/s
    Conjunction Risk Parameters R (Radial): 1.249 | I (In-track): 1.792 | C (Cross-track): 0.955
    Collision Risk Index (CRI) 0.37
    X Position (km) -4746.484 -4746.466
    Position Y (km) -4946.71 -4947.659
    Position Z (km) 1964.038 1966.224
    Velocity X (km/s) 4.94 0.596
    Velocity Y (km/s) -2.8 2.347
    Velocity Z (km/s) 4.872 7.146

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 18 FENGYUN 1C DEB
    Semimajor Axis (a) 7137.342 km 7263.450 km
    Eccentricity (e) 0.000600 0.019097
    Inclination (i) 44.9916° 98.7604°
    RAAN 211.1910° 228.1135°
    Perigee Argument 350.2774° 37.1195°
    Mean Anomaly (M) 9.7958° 21.0966°
    Apogee 763.486 km 1024.022 km
    Perigee 754.924 km 746.604 km
    Orbit Epoch 2026-09-07T03:58:50+0000 2026-09-06T21:11:56+0000

    ORBCOMM FM 18 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    ORBCOMM FM 18 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 18 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 18 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 18Miss 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 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 18

    No nearby objects data