Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.141714E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:22:28+0800
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    1 Object 1

    AOE ID 35602
    NORAD ID 35602
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 52121
    NORAD ID 52121
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-3678
    Time of Closest Approach 2026-10-23T07:18:02+0000
    Collision Probability (Pc) 1.141714E-6
    Conjunction Distance (km) 2.964 km
    Relative Speed (km/s) 10.898 km/s
    Conjunction Risk Parameters R (Radial): -1.576 | I (In-track): -1.763 | C (Cross-track): 1.785
    Collision Risk Index (CRI) 0.36
    X Position (km) -2467.829 -2469.588
    Position Y (km) -3819.76 -3818.144
    Position Z (km) 5102.841 5101.089
    Velocity X (km/s) 5.471 4.438
    Velocity Y (km/s) 2.651 -5.816
    Velocity Z (km/s) 4.584 -2.198

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-3678
    Semimajor Axis (a) 6800.603 km 6840.867 km
    Eccentricity (e) 0.006789 0.000119
    Inclination (i) 73.9899° 53.1613°
    RAAN 222.2800° 121.4493°
    Perigee Argument 204.5656° 88.3589°
    Mean Anomaly (M) 274.7037° 271.7550°
    Apogee 468.637 km 463.544 km
    Perigee 376.295 km 461.916 km
    Orbit Epoch 2026-10-21T12:09:55+0000 2026-10-21T18:51:51+0000

    COSMOS 2251 DEB & STARLINK-3678 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-3678 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-3678 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-3678 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3678Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3678Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data