Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.865842E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T09:40:42+0800
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    1 Object 1

    AOE ID 25475
    NORAD ID 25475
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 34023
    NORAD ID 34023
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 21 COSMOS 2251 DEB
    Time of Closest Approach 2026-11-05T04:35:39+0000
    Collision Probability (Pc) 7.865842E-7
    Conjunction Distance (km) 2.734 km
    Relative Speed (km/s) 4.633 km/s
    Conjunction Risk Parameters R (Radial): 1.13 | I (In-track): -2.365 | C (Cross-track): 0.777
    Collision Risk Index (CRI) 0.33
    X Position (km) -6175.338 -6175.217
    Position Y (km) 434.032 435.506
    Position Z (km) 3553.284 3555.584
    Velocity X (km/s) -2.58 -3.703
    Velocity Y (km/s) -5.928 -2.115
    Velocity Z (km/s) -3.754 -6.133

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 21 COSMOS 2251 DEB
    Semimajor Axis (a) 7142.093 km 7133.053 km
    Eccentricity (e) 0.000332 0.001810
    Inclination (i) 45.0091° 74.0266°
    RAAN 43.6688° 10.3483°
    Perigee Argument 218.1049° 26.9178°
    Mean Anomaly (M) 141.9565° 38.0929°
    Apogee 766.328 km 767.825 km
    Perigee 761.584 km 742.007 km
    Orbit Epoch 2026-11-02T12:37:26+0000 2026-11-02T12:53:47+0000

    ORBCOMM FM 21 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 21 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 21 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 21 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 21Miss 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 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 21

    No nearby objects data