Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.536906E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:52:09+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 13033
    NORAD ID 13033
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter UME 1 (ISS 1) COSMOS 1333
    Time of Closest Approach 2026-09-11T19:39:57+0000
    Collision Probability (Pc) 4.536906E-5
    Conjunction Distance (km) 0.844 km
    Relative Speed (km/s) 13.667 km/s
    Conjunction Risk Parameters R (Radial): -0.158 | I (In-track): 0.304 | C (Cross-track): -0.771
    Collision Risk Index (CRI) 0.68
    X Position (km) -1601.183 -1600.489
    Position Y (km) 4482.466 4482.945
    Position Z (km) 5619.575 5619.598
    Velocity X (km/s) -5.317 0.532
    Velocity Y (km/s) 3.127 -5.65
    Velocity Z (km/s) -4.012 4.678

    Orbital Parameters 国际轨道数据源

    Parameter UME 1 (ISS 1) COSMOS 1333
    Semimajor Axis (a) 7371.429 km 7365.245 km
    Eccentricity (e) 0.001140 0.003134
    Inclination (i) 69.6754° 82.9383°
    RAAN 318.1958° 102.0930°
    Perigee Argument 205.0502° 313.4881°
    Mean Anomaly (M) 262.9562° 105.9693°
    Apogee 1001.697 km 1010.188 km
    Perigee 984.887 km 964.028 km
    Orbit Epoch 2026-09-10T13:49:49+0000 2026-09-10T15:44:17+0000

    UME 1 (ISS 1) & COSMOS 1333 Collision Probability (Pc) Trend

    UME 1 (ISS 1) & COSMOS 1333 Collision Probability (Pc) TrendNot Available

    UME 1 (ISS 1) & COSMOS 1333 Miss Distance (Miss Distance) Trend

    UME 1 (ISS 1) & COSMOS 1333 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    COSMOS 1333Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UME 1 (ISS 1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1333Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UME 1 (ISS 1)

    No nearby objects data