Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.143892E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:04:13+0800
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    1 Object 1

    AOE ID 8709
    NORAD ID 8709
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 11585
    NORAD ID 11585
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter UME 1 (ISS 1) COSMOS 1141
    Time of Closest Approach 2026-09-13T10:21:38+0000
    Collision Probability (Pc) 7.143892E-4
    Conjunction Distance (km) 0.222 km
    Relative Speed (km/s) 14.274 km/s
    Conjunction Risk Parameters R (Radial): 0.219 | I (In-track): 0.002 | C (Cross-track): 0.035
    Collision Risk Index (CRI) 0.92
    X Position (km) -4327.434 -4327.333
    Position Y (km) 5708.374 5708.185
    Position Z (km) 1711.999 1711.942
    Velocity X (km/s) -3.062 0.28
    Velocity Y (km/s) -0.311 -1.905
    Velocity Z (km/s) -6.688 7.096

    Orbital Parameters 国际轨道数据源

    Parameter UME 1 (ISS 1) COSMOS 1141
    Semimajor Axis (a) 7371.429 km 7351.962 km
    Eccentricity (e) 0.001140 0.002790
    Inclination (i) 69.6754° 82.9486°
    RAAN 318.1958° 127.4592°
    Perigee Argument 205.0502° 255.8564°
    Mean Anomaly (M) 262.9562° 170.2311°
    Apogee 1001.697 km 994.335 km
    Perigee 984.887 km 953.315 km
    Orbit Epoch 2026-09-10T13:49:49+0000 2026-09-10T18:06:04+0000

    UME 1 (ISS 1) & COSMOS 1141 Collision Probability (Pc) Trend

    UME 1 (ISS 1) & COSMOS 1141 Collision Probability (Pc) TrendNot Available

    UME 1 (ISS 1) & COSMOS 1141 Miss Distance (Miss Distance) Trend

    UME 1 (ISS 1) & COSMOS 1141 Miss Distance (Miss Distance) TrendNot Available

    UME 1 (ISS 1)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1141Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UME 1 (ISS 1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1141Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UME 1 (ISS 1)

    No nearby objects data