Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.421988E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:59:28+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 62678
    NORAD ID 62678
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB FLOCK 4G 15
    Time of Closest Approach 2026-09-05T18:58:02+0000
    Collision Probability (Pc) 1.421988E-6
    Conjunction Distance (km) 2.881 km
    Relative Speed (km/s) 15.044 km/s
    Conjunction Risk Parameters R (Radial): 1.741 | I (In-track): -0.345 | C (Cross-track): 2.27
    Collision Risk Index (CRI) 0.38
    X Position (km) 3368.245 3368.752
    Position Y (km) -1039.256 -1037.204
    Position Z (km) -5886.481 -5884.523
    Velocity X (km/s) -4.053 5.479
    Velocity Y (km/s) 5.534 -3.684
    Velocity Z (km/s) -3.312 3.792

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB FLOCK 4G 15
    Semimajor Axis (a) 6861.083 km 6851.292 km
    Eccentricity (e) 0.001905 0.000550
    Inclination (i) 73.9815° 97.3968°
    RAAN 137.2011° 329.2641°
    Perigee Argument 185.2299° 49.9198°
    Mean Anomaly (M) 174.8707° 310.2525°
    Apogee 496.015 km 476.927 km
    Perigee 469.877 km 469.383 km
    Orbit Epoch 2026-09-04T08:54:05+0000 2026-09-04T16:33:37+0000

    COSMOS 2251 DEB & FLOCK 4G 15 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & FLOCK 4G 15 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & FLOCK 4G 15 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & FLOCK 4G 15 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data