Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.118285E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:24:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35442
    NORAD ID 35442
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 62694
    NORAD ID 62694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR 2 WILSON
    Time of Closest Approach 2026-10-21T12:42:35+0000
    Collision Probability (Pc) 5.118285E-6
    Conjunction Distance (km) 1.639 km
    Relative Speed (km/s) 15.091 km/s
    Conjunction Risk Parameters R (Radial): 1.601 | I (In-track): 0.041 | C (Cross-track): -0.346
    Collision Risk Index (CRI) 0.49
    X Position (km) -6822.996 -6824.499
    Position Y (km) -1197.537 -1198.15
    Position Z (km) -701.929 -702.148
    Velocity X (km/s) -0.354 0.561
    Velocity Y (km/s) -2.186 1.131
    Velocity Z (km/s) 7.234 -7.459

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR 2 WILSON
    Semimajor Axis (a) 6955.034 km 6958.671 km
    Eccentricity (e) 0.000650 0.000279
    Inclination (i) 74.0221° 97.6931°
    RAAN 194.4558° 9.4608°
    Perigee Argument 182.9870° 8.8428°
    Mean Anomaly (M) 177.1278° 351.2842°
    Apogee 581.416 km 582.475 km
    Perigee 572.378 km 578.593 km
    Orbit Epoch 2026-10-20T03:03:02+0000 2026-10-20T05:22:25+0000

    COSMOS 2251 DEB & LEMUR 2 WILSON Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR 2 WILSON Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR 2 WILSON Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR 2 WILSON Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 WILSONMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 WILSONCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data