Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.855555E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T18:55:15+0800
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    1 Object 1

    AOE ID 40797
    NORAD ID 40797
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 67977
    NORAD ID 67977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-36904
    Time of Closest Approach 2026-10-30T17:22:45+0000
    Collision Probability (Pc) 1.855555E-6
    Conjunction Distance (km) 2.446 km
    Relative Speed (km/s) 15.184 km/s
    Conjunction Risk Parameters R (Radial): -1.08 | I (In-track): 0.22 | C (Cross-track): -2.182
    Collision Risk Index (CRI) 0.4
    X Position (km) -2924.591 -2925.627
    Position Y (km) 4188.355 4186.155
    Position Z (km) -4565.791 -4565.523
    Velocity X (km/s) -5.029 3.929
    Velocity Y (km/s) 2.245 -3.359
    Velocity Z (km/s) 5.301 -5.602

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-36904
    Semimajor Axis (a) 6882.960 km 6843.633 km
    Eccentricity (e) 0.005661 0.000076
    Inclination (i) 73.9288° 97.2860°
    RAAN 145.9499° 308.4532°
    Perigee Argument 337.6932° 80.6602°
    Mean Anomaly (M) 22.1802° 279.4727°
    Apogee 543.788 km 466.018 km
    Perigee 465.858 km 464.974 km
    Orbit Epoch 2026-10-27T20:04:58+0000 2026-10-27T14:48:37+0000

    COSMOS 2251 DEB & STARLINK-36904 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-36904 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-36904 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-36904 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data