Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.360066E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T21:55:34+0800
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    1 Object 1

    AOE ID 25158
    NORAD ID 25158
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 33948
    NORAD ID 33948
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 3 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-16T07:36:16+0000
    Collision Probability (Pc) 1.360066E-6
    Conjunction Distance (km) 2.956 km
    Relative Speed (km/s) 14.735 km/s
    Conjunction Risk Parameters R (Radial): 2.943 | I (In-track): 0.037 | C (Cross-track): -0.279
    Collision Risk Index (CRI) 0.38
    X Position (km) -253.833 -253.871
    Position Y (km) 2247.101 2248.285
    Position Z (km) -6793.215 -6795.923
    Velocity X (km/s) 7.402 -6.837
    Velocity Y (km/s) -0.674 2.725
    Velocity Z (km/s) -0.535 1.14

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 3 COSMOS 2251 DEB
    Semimajor Axis (a) 7151.049 km 7150.309 km
    Eccentricity (e) 0.004474 0.002337
    Inclination (i) 107.9612° 74.0361°
    RAAN 351.2073° 158.6459°
    Perigee Argument 174.2584° 173.5580°
    Mean Anomaly (M) 185.9078° 186.5878°
    Apogee 804.906 km 788.884 km
    Perigee 740.918 km 755.460 km
    Orbit Epoch 2026-09-15T05:17:17+0000 2026-09-14T17:31:20+0000

    ORBCOMM FM 3 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 3 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 3 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 3 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 3

    No nearby objects data