Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.624783E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T09:46:23+0800
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    1 Object 1

    AOE ID 40799
    NORAD ID 40799
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 62696
    NORAD ID 62696
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR 2 STAR-FOX
    Time of Closest Approach 2026-10-21T22:03:45+0000
    Collision Probability (Pc) 1.624783E-6
    Conjunction Distance (km) 2.628 km
    Relative Speed (km/s) 14.99 km/s
    Conjunction Risk Parameters R (Radial): -2.613 | I (In-track): -0.04 | C (Cross-track): -0.264
    Collision Risk Index (CRI) 0.39
    X Position (km) -3002.917 -3004.014
    Position Y (km) -1684.165 -1685.061
    Position Z (km) 6006.402 6008.614
    Velocity X (km/s) 6.81 -6.53
    Velocity Y (km/s) -1.032 -1.323
    Velocity Z (km/s) 3.204 -3.626

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR 2 STAR-FOX
    Semimajor Axis (a) 6946.330 km 6932.681 km
    Eccentricity (e) 0.011184 0.000274
    Inclination (i) 73.9245° 97.6865°
    RAAN 185.1072° 13.9214°
    Perigee Argument 353.2135° 65.1768°
    Mean Anomaly (M) 6.7528° 294.9742°
    Apogee 645.878 km 556.442 km
    Perigee 490.508 km 552.646 km
    Orbit Epoch 2026-10-18T23:19:56+0000 2026-10-20T04:01:18+0000

    COSMOS 2251 DEB & LEMUR 2 STAR-FOX Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR 2 STAR-FOX Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR 2 STAR-FOX Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR 2 STAR-FOX Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 STAR-FOXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 STAR-FOXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data