Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.735105E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T21:17:31+0800
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    1 Object 1

    AOE ID 34128
    NORAD ID 34128
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59366
    NORAD ID 59366
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31451
    Time of Closest Approach 2026-10-25T08:38:52+0000
    Collision Probability (Pc) 9.735105E-7
    Conjunction Distance (km) 2.625 km
    Relative Speed (km/s) 6.152 km/s
    Conjunction Risk Parameters R (Radial): -2.122 | I (In-track): 1.41 | C (Cross-track): -0.628
    Collision Risk Index (CRI) 0.35
    X Position (km) 5243.398 5242.702
    Position Y (km) -1345.088 -1343.793
    Position Z (km) -4223.882 -4221.708
    Velocity X (km/s) 4.903 3.448
    Velocity Y (km/s) 1.494 6.413
    Velocity Z (km/s) 5.638 2.242

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31451
    Semimajor Axis (a) 6867.452 km 6861.197 km
    Eccentricity (e) 0.002120 0.000052
    Inclination (i) 73.9888° 42.9984°
    RAAN 2.2395° 48.3060°
    Perigee Argument 26.1471° 284.5478°
    Mean Anomaly (M) 123.4789° 75.5316°
    Apogee 503.877 km 483.417 km
    Perigee 474.753 km 482.703 km
    Orbit Epoch 2026-10-23T14:58:49+0000 2026-10-24T07:49:14+0000

    COSMOS 2251 DEB & STARLINK-31451 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31451 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31451 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31451 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31451Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31451Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data