Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.012065E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T21:41:55+0800
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    1 Object 1

    AOE ID 39546
    NORAD ID 39546
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 69915
    NORAD ID 69915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB MISR-D-2
    Time of Closest Approach 2026-11-07T23:10:35+0000
    Collision Probability (Pc) 1.012065E-4
    Conjunction Distance (km) 0.493 km
    Relative Speed (km/s) 4.248 km/s
    Conjunction Risk Parameters R (Radial): -0.194 | I (In-track): 0.437 | C (Cross-track): 0.123
    Collision Risk Index (CRI) 0.75
    X Position (km) -4704.645 -4704.213
    Position Y (km) -2002.727 -2002.597
    Position Z (km) 4726.594 4726.793
    Velocity X (km/s) 5.479 4.113
    Velocity Y (km/s) -0.75 3.26
    Velocity Z (km/s) 5.147 5.454

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB MISR-D-2
    Semimajor Axis (a) 6945.395 km 6969.911 km
    Eccentricity (e) 0.003844 0.000808
    Inclination (i) 73.9964° 97.7409°
    RAAN 193.8019° 206.9825°
    Perigee Argument 267.1843° 106.7495°
    Mean Anomaly (M) 92.4944° 253.4611°
    Apogee 593.956 km 597.405 km
    Perigee 540.560 km 586.143 km
    Orbit Epoch 2026-11-04T22:56:28+0000 2026-11-04T14:30:13+0000

    COSMOS 2251 DEB & MISR-D-2 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & MISR-D-2 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & MISR-D-2 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & MISR-D-2 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MISR-D-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    MISR-D-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data