Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.583912E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:11:04+0800
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    1 Object 1

    AOE ID 36441
    NORAD ID 36441
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55474
    NORAD ID 55474
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5689
    Time of Closest Approach 2026-10-19T20:42:43+0000
    Collision Probability (Pc) 1.583912E-6
    Conjunction Distance (km) 2.327 km
    Relative Speed (km/s) 9.918 km/s
    Conjunction Risk Parameters R (Radial): 0.681 | I (In-track): -1.697 | C (Cross-track): 1.439
    Collision Risk Index (CRI) 0.39
    X Position (km) -3622.008 -3620.728
    Position Y (km) -3648.412 -3649.921
    Position Z (km) 4535.947 4534.724
    Velocity X (km/s) -1.328 6.066
    Velocity Y (km/s) -5.371 -4.45
    Velocity Z (km/s) -5.289 1.258

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5689
    Semimajor Axis (a) 6910.210 km 6861.219 km
    Eccentricity (e) 0.009934 0.000099
    Inclination (i) 73.8330° 43.0010°
    RAAN 63.6933° 158.5668°
    Perigee Argument 97.3560° 250.7842°
    Mean Anomaly (M) 263.8934° 109.2903°
    Apogee 600.717 km 483.761 km
    Perigee 463.429 km 482.403 km
    Orbit Epoch 2026-10-18T02:48:52+0000 2026-10-19T01:32:58+0000

    COSMOS 2251 DEB & STARLINK-5689 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5689 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5689 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5689 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5689Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5689Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data