Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.19451E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T09:32:19+0800
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    1 Object 1

    AOE ID 3576
    NORAD ID 3576
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 61598
    NORAD ID 61598
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 256 ONEWEB-0690
    Time of Closest Approach 2026-09-16T02:02:55+0000
    Collision Probability (Pc) 4.19451E-4
    Conjunction Distance (km) 0.263 km
    Relative Speed (km/s) 6.038 km/s
    Conjunction Risk Parameters R (Radial): 0.137 | I (In-track): -0.205 | C (Cross-track): 0.089
    Collision Risk Index (CRI) 0.87
    X Position (km) 2497.548 2497.304
    Position Y (km) 393.851 393.925
    Position Z (km) 7153.863 7153.799
    Velocity X (km/s) -4.734 -6.835
    Velocity Y (km/s) 5.298 -0.27
    Velocity Z (km/s) 1.376 2.396

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 256 ONEWEB-0690
    Semimajor Axis (a) 7574.783 km 7595.827 km
    Eccentricity (e) 0.003444 0.000229
    Inclination (i) 74.0505° 87.8970°
    RAAN 318.2254° 3.4981°
    Perigee Argument 302.5245° 89.6201°
    Mean Anomaly (M) 231.7220° 270.5190°
    Apogee 1222.731 km 1219.431 km
    Perigee 1170.561 km 1215.949 km
    Orbit Epoch 2026-09-13T21:39:46+0000 2026-09-13T13:15:46+0000

    COSMOS 256 & ONEWEB-0690 Collision Probability (Pc) Trend

    COSMOS 256 & ONEWEB-0690 Collision Probability (Pc) TrendNot Available

    COSMOS 256 & ONEWEB-0690 Miss Distance (Miss Distance) Trend

    COSMOS 256 & ONEWEB-0690 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 256Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0690Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 256Collision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0690Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 256

    No nearby objects data