Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.846374E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T03:42:35+0800
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    1 Object 1

    AOE ID 34856
    NORAD ID 34856
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 57825
    NORAD ID 57825
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-30377
    Time of Closest Approach 2026-10-16T02:38:21+0000
    Collision Probability (Pc) 4.846374E-4
    Conjunction Distance (km) 0.275 km
    Relative Speed (km/s) 9.991 km/s
    Conjunction Risk Parameters R (Radial): -0.107 | I (In-track): 0.192 | C (Cross-track): 0.165
    Collision Risk Index (CRI) 0.89
    X Position (km) 5159.884 5159.729
    Position Y (km) -94.447 -94.221
    Position Z (km) -4524.293 -4524.311
    Velocity X (km/s) -4.622 1.298
    Velocity Y (km/s) 2.88 7.389
    Velocity Z (km/s) -5.34 1.327

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-30377
    Semimajor Axis (a) 6876.230 km 6861.187 km
    Eccentricity (e) 0.002814 0.000213
    Inclination (i) 74.0023° 43.0041°
    RAAN 166.6603° 76.4300°
    Perigee Argument 217.9069° 270.5099°
    Mean Anomaly (M) 208.1826° 89.5508°
    Apogee 517.443 km 484.514 km
    Perigee 478.743 km 481.586 km
    Orbit Epoch 2026-10-15T00:43:13+0000 2026-10-14T19:34:55+0000

    COSMOS 2251 DEB & STARLINK-30377 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-30377 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-30377 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-30377 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30377Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30377Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data