Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.956053E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:32:58+0800
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    1 Object 1

    AOE ID 9637
    NORAD ID 9637
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 40642
    NORAD ID 40642
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 887 NIMBUS 2 DEB
    Time of Closest Approach 2026-10-29T11:23:09+0000
    Collision Probability (Pc) 1.956053E-6
    Conjunction Distance (km) 2.349 km
    Relative Speed (km/s) 14.533 km/s
    Conjunction Risk Parameters R (Radial): -2.063 | I (In-track): 0.171 | C (Cross-track): 1.109
    Collision Risk Index (CRI) 0.41
    X Position (km) -25.683 -24.798
    Position Y (km) 1783.713 1782.537
    Position Z (km) 7156.582 7154.753
    Velocity X (km/s) -3.641 5.391
    Velocity Y (km/s) -6.186 4.876
    Velocity Z (km/s) 1.51 -1.182

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 887 NIMBUS 2 DEB
    Semimajor Axis (a) 7354.407 km 7407.888 km
    Eccentricity (e) 0.004401 0.003980
    Inclination (i) 82.9403° 100.3167°
    RAAN 62.1964° 221.4782°
    Perigee Argument 233.5478° 81.5485°
    Mean Anomaly (M) 244.8816° 279.0161°
    Apogee 1008.635 km 1059.231 km
    Perigee 943.905 km 1000.271 km
    Orbit Epoch 2026-10-27T21:12:07+0000 2026-10-27T05:59:54+0000

    COSMOS 887 & NIMBUS 2 DEB Collision Probability (Pc) Trend

    COSMOS 887 & NIMBUS 2 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 887 & NIMBUS 2 DEB Miss Distance (Miss Distance) Trend

    COSMOS 887 & NIMBUS 2 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 887Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 887Collision Probability Trend

    Object 1 Probability TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 887

    No nearby objects data