Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.805694E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T04:05:01+0800
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    1 Object 1

    AOE ID 36557
    NORAD ID 36557
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 69002
    NORAD ID 69002
    Object Type PAYLOAD
    Country
    SG SG

    Conjunction Constraints

    Parameter COSMOS 2251 DEB NULINK-1
    Time of Closest Approach 2026-10-13T22:42:00+0000
    Collision Probability (Pc) 2.805694E-6
    Conjunction Distance (km) 1.726 km
    Relative Speed (km/s) 7.649 km/s
    Conjunction Risk Parameters R (Radial): 1.725 | I (In-track): 0.038 | C (Cross-track): 0.019
    Collision Risk Index (CRI) 0.44
    X Position (km) -2716.589 -2717.292
    Position Y (km) -971.461 -971.724
    Position Z (km) -6347.294 -6348.847
    Velocity X (km/s) -3.126 -6.947
    Velocity Y (km/s) -6.476 0.12
    Velocity Z (km/s) 2.333 2.957

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB NULINK-1
    Semimajor Axis (a) 6979.570 km 6966.984 km
    Eccentricity (e) 0.002041 0.000162
    Inclination (i) 73.9787° 97.7201°
    RAAN 242.4958° 180.6817°
    Perigee Argument 304.0510° 14.5244°
    Mean Anomaly (M) 55.8732° 345.6022°
    Apogee 615.678 km 589.975 km
    Perigee 587.188 km 587.719 km
    Orbit Epoch 2026-10-12T03:28:44+0000 2026-10-12T06:47:02+0000

    COSMOS 2251 DEB & NULINK-1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & NULINK-1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & NULINK-1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & NULINK-1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NULINK-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NULINK-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data