Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.858185E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-09T17:42:33+0800
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    1 Object 1

    Name ALOS-4
    AOE ID 60182
    NORAD ID 60182
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 81845
    NORAD ID 81845
    Object Type UNKNOWN
    Country

    Conjunction Constraints

    Parameter ALOS-4 TBA - TO BE ASSIGNED
    Time of Closest Approach 2026-10-10T20:38:28+0000
    Collision Probability (Pc) 2.858185E-4
    Conjunction Distance (km) 0.385 km
    Relative Speed (km/s) 10.167 km/s
    Conjunction Risk Parameters R (Radial): 0.191 | I (In-track): 0.241 | C (Cross-track): 0.232
    Collision Risk Index (CRI) 0.84
    X Position (km) -1135.782 -1135.913
    Position Y (km) 618.809 618.5
    Position Z (km) -6897.259 -6897.071
    Velocity X (km/s) 7.003 -1.847
    Velocity Y (km/s) 2.598 7.212
    Velocity Z (km/s) -0.92 1.012

    Orbital Parameters 国际轨道数据源

    Parameter ALOS-4 TBA - TO BE ASSIGNED
    Semimajor Axis (a) 7009.140 km 6986.779 km
    Eccentricity (e) 0.000145 0.008639
    Inclination (i) 97.9225° 97.6794°
    RAAN 17.5214° 103.0950°
    Perigee Argument 98.8924° 38.3234°
    Mean Anomaly (M) 261.2452° 352.5493°
    Apogee 632.023 km 669.003 km
    Perigee 629.983 km 548.281 km
    Orbit Epoch 2026-10-08T23:37:49+0000 2026-10-08T10:59:26+0000

    ALOS-4 & TBA - TO BE ASSIGNED Collision Probability (Pc) Trend

    ALOS-4 & TBA - TO BE ASSIGNED Collision Probability (Pc) TrendNot Available

    ALOS-4 & TBA - TO BE ASSIGNED Miss Distance (Miss Distance) Trend

    ALOS-4 & TBA - TO BE ASSIGNED Miss Distance (Miss Distance) TrendNot Available

    ALOS-4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TBA - TO BE ASSIGNEDMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALOS-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    TBA - TO BE ASSIGNEDCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALOS-4

    No nearby objects data