Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.48909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T08:20:49+0800
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    1 Object 1

    AOE ID 35670
    NORAD ID 35670
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 53489
    NORAD ID 53489
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-4392
    Time of Closest Approach 2026-09-06T11:58:01+0000
    Collision Probability (Pc) 1.48909E-6
    Conjunction Distance (km) 2.68 km
    Relative Speed (km/s) 13.63 km/s
    Conjunction Risk Parameters R (Radial): 2.679 | I (In-track): -0.029 | C (Cross-track): 0.076
    Collision Risk Index (CRI) 0.38
    X Position (km) 1820.484 1819.746
    Position Y (km) -720.466 -720.115
    Position Z (km) 6637.36 6634.808
    Velocity X (km/s) 4.038 -7.303
    Velocity Y (km/s) 6.417 -0.77
    Velocity Z (km/s) -0.427 1.915

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-4392
    Semimajor Axis (a) 6939.696 km 6925.196 km
    Eccentricity (e) 0.002762 0.000139
    Inclination (i) 73.8895° 97.2851°
    RAAN 243.3567° 3.2201°
    Perigee Argument 151.5050° 118.1770°
    Mean Anomaly (M) 208.7654° 241.9599°
    Apogee 580.724 km 548.021 km
    Perigee 542.394 km 546.097 km
    Orbit Epoch 2026-09-03T08:24:32+0000 2026-09-05T13:18:58+0000

    COSMOS 2251 DEB & STARLINK-4392 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-4392 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-4392 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-4392 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4392Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4392Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data