Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.263643E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:29:55+0800
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    1 Object 1

    AOE ID 33799
    NORAD ID 33799
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 67366
    NORAD ID 67366
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR-2 CALLUM-K-J
    Time of Closest Approach 2026-10-21T04:57:41+0000
    Collision Probability (Pc) 1.263643E-6
    Conjunction Distance (km) 2.89 km
    Relative Speed (km/s) 12.337 km/s
    Conjunction Risk Parameters R (Radial): -1.507 | I (In-track): 1.407 | C (Cross-track): 2.025
    Collision Risk Index (CRI) 0.37
    X Position (km) 243.713 245.108
    Position Y (km) 1935.059 1937.45
    Position Z (km) -6714.352 -6715.181
    Velocity X (km/s) -7.529 2.847
    Velocity Y (km/s) -0.225 -6.731
    Velocity Z (km/s) -0.357 -1.839

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR-2 CALLUM-K-J
    Semimajor Axis (a) 6985.402 km 6978.952 km
    Eccentricity (e) 0.002401 0.001027
    Inclination (i) 74.0312° 97.8097°
    RAAN 183.2304° 289.9751°
    Perigee Argument 179.5913° 84.8239°
    Mean Anomaly (M) 252.5889° 275.4150°
    Apogee 624.035 km 607.984 km
    Perigee 590.495 km 593.646 km
    Orbit Epoch 2026-10-20T20:00:52+0000 2026-10-20T05:14:20+0000

    COSMOS 2251 DEB & LEMUR-2 CALLUM-K-J Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR-2 CALLUM-K-J Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR-2 CALLUM-K-J Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR-2 CALLUM-K-J Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2 CALLUM-K-JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2 CALLUM-K-JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data