Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.524833E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:38:33+0800
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    1 Object 1

    AOE ID 35670
    NORAD ID 35670
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 63259
    NORAD ID 63259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR 2 DELOITTE-1
    Time of Closest Approach 2026-10-21T13:04:21+0000
    Collision Probability (Pc) 8.524833E-7
    Conjunction Distance (km) 2.873 km
    Relative Speed (km/s) 6.039 km/s
    Conjunction Risk Parameters R (Radial): -1.841 | I (In-track): 2.02 | C (Cross-track): -0.884
    Collision Risk Index (CRI) 0.34
    X Position (km) 3591.85 3589.097
    Position Y (km) -472.259 -471.566
    Position Z (km) -5943.601 -5943.163
    Velocity X (km/s) -4.886 -6.439
    Velocity Y (km/s) 4.704 -1.112
    Velocity Z (km/s) -3.317 -3.802

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR 2 DELOITTE-1
    Semimajor Axis (a) 6936.595 km 6950.179 km
    Eccentricity (e) 0.002769 0.000222
    Inclination (i) 73.8899° 97.6727°
    RAAN 147.4476° 183.9452°
    Perigee Argument 41.4172° 69.1378°
    Mean Anomaly (M) 318.9108° 291.0081°
    Apogee 577.666 km 573.583 km
    Perigee 539.250 km 570.501 km
    Orbit Epoch 2026-10-19T23:14:55+0000 2026-10-20T03:57:07+0000

    COSMOS 2251 DEB & LEMUR 2 DELOITTE-1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR 2 DELOITTE-1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR 2 DELOITTE-1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR 2 DELOITTE-1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 DELOITTE-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 DELOITTE-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data