Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.009219E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:24:18+0800
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    1 Object 1

    AOE ID 35073
    NORAD ID 35073
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 66120
    NORAD ID 66120
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-35553
    Time of Closest Approach 2026-10-21T06:11:37+0000
    Collision Probability (Pc) 1.009219E-4
    Conjunction Distance (km) 0.5 km
    Relative Speed (km/s) 4.486 km/s
    Conjunction Risk Parameters R (Radial): 0.497 | I (In-track): 0.053 | C (Cross-track): -0.01
    Collision Risk Index (CRI) 0.75
    X Position (km) -4582.163 -4581.82
    Position Y (km) -1735.139 -1734.968
    Position Z (km) 4764.927 4764.608
    Velocity X (km/s) -3.567 -0.469
    Velocity Y (km/s) -4.495 -7.011
    Velocity Z (km/s) -5.041 -2.996

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-35553
    Semimajor Axis (a) 6842.267 km 6840.847 km
    Eccentricity (e) 0.001301 0.000088
    Inclination (i) 73.9802° 53.1557°
    RAAN 46.1252° 79.2372°
    Perigee Argument 58.6827° 83.3688°
    Mean Anomaly (M) 301.5649° 276.7415°
    Apogee 473.034 km 463.311 km
    Perigee 455.226 km 462.109 km
    Orbit Epoch 2026-10-16T23:54:12+0000 2026-10-18T18:16:30+0000

    COSMOS 2251 DEB & STARLINK-35553 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-35553 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-35553 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-35553 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data