Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.91956E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:36:02+0800
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    1 Object 1

    AOE ID 34036
    NORAD ID 34036
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53777
    NORAD ID 53777
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-4664
    Time of Closest Approach 2026-10-22T11:37:15+0000
    Collision Probability (Pc) 1.91956E-6
    Conjunction Distance (km) 2.198 km
    Relative Speed (km/s) 11.193 km/s
    Conjunction Risk Parameters R (Radial): -1.856 | I (In-track): -0.805 | C (Cross-track): -0.855
    Collision Risk Index (CRI) 0.41
    X Position (km) 4348.14 4347.081
    Position Y (km) 1637.118 1635.534
    Position Z (km) 5009.706 5008.609
    Velocity X (km/s) 3.7 -4.847
    Velocity Y (km/s) 4.704 5.378
    Velocity Z (km/s) -4.752 2.444

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-4664
    Semimajor Axis (a) 6845.458 km 6837.882 km
    Eccentricity (e) 0.001720 0.000146
    Inclination (i) 73.9966° 53.1589°
    RAAN 224.4430° 338.9180°
    Perigee Argument 194.2198° 88.0627°
    Mean Anomaly (M) 165.8524° 272.0543°
    Apogee 479.096 km 460.745 km
    Perigee 455.546 km 458.745 km
    Orbit Epoch 2026-10-19T18:50:50+0000 2026-10-19T20:50:38+0000

    COSMOS 2251 DEB & STARLINK-4664 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-4664 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-4664 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-4664 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4664Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4664Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data