Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.523581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T20:53:58+0800
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    1 Object 1

    AOE ID 35587
    NORAD ID 35587
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68479
    NORAD ID 68479
    Object Type PAYLOAD
    Country
    LU LU

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR-2 PEGGY-2004
    Time of Closest Approach 2026-10-21T18:43:01+0000
    Collision Probability (Pc) 2.523581E-6
    Conjunction Distance (km) 1.921 km
    Relative Speed (km/s) 10.284 km/s
    Conjunction Risk Parameters R (Radial): 1.905 | I (In-track): 0.186 | C (Cross-track): -0.163
    Collision Risk Index (CRI) 0.43
    X Position (km) 1499.718 1499.918
    Position Y (km) 1626.098 1626.433
    Position Z (km) -6610.238 -6612.118
    Velocity X (km/s) -7.267 -2.025
    Velocity Y (km/s) 1.847 -6.944
    Velocity Z (km/s) -1.172 -2.169

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR-2 PEGGY-2004
    Semimajor Axis (a) 7031.906 km 6964.561 km
    Eccentricity (e) 0.010125 0.000140
    Inclination (i) 74.0033° 97.7699°
    RAAN 169.9921° 250.7579°
    Perigee Argument 279.1014° 126.6619°
    Mean Anomaly (M) 79.8713° 233.4729°
    Apogee 724.965 km 587.398 km
    Perigee 582.573 km 585.450 km
    Orbit Epoch 2026-10-20T21:57:40+0000 2026-10-21T03:07:04+0000

    COSMOS 2251 DEB & LEMUR-2 PEGGY-2004 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR-2 PEGGY-2004 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR-2 PEGGY-2004 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR-2 PEGGY-2004 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2 PEGGY-2004Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2 PEGGY-2004Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data