Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.520876E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:34:01+0800
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    1 Object 1

    Name ALOS 2
    AOE ID 39766
    NORAD ID 39766
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 40047
    NORAD ID 40047
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ALOS 2 SL-24 R/B
    Time of Closest Approach 2026-10-25T17:16:09+0000
    Collision Probability (Pc) 8.520876E-6
    Conjunction Distance (km) 1.326 km
    Relative Speed (km/s) 11.464 km/s
    Conjunction Risk Parameters R (Radial): -1.133 | I (In-track): 0.462 | C (Cross-track): -0.508
    Collision Risk Index (CRI) 0.54
    X Position (km) -1450.495 -1450.17
    Position Y (km) 174.354 175.007
    Position Z (km) -6863.702 -6862.595
    Velocity X (km/s) 6.069 -5.022
    Velocity Y (km/s) 4.293 5.716
    Velocity Z (km/s) -1.174 1.351

    Orbital Parameters 国际轨道数据源

    Parameter ALOS 2 SL-24 R/B
    Semimajor Axis (a) 7009.102 km 7406.650 km
    Eccentricity (e) 0.000149 0.056647
    Inclination (i) 97.9234° 97.8522°
    RAAN 32.5655° 131.3458°
    Perigee Argument 94.6830° 303.3305°
    Mean Anomaly (M) 265.4551° 51.4819°
    Apogee 632.010 km 1448.077 km
    Perigee 629.920 km 608.949 km
    Orbit Epoch 2026-10-24T06:00:24+0000 2026-10-24T01:04:41+0000

    ALOS 2 & SL-24 R/B Collision Probability (Pc) Trend

    ALOS 2 & SL-24 R/B Collision Probability (Pc) TrendNot Available

    ALOS 2 & SL-24 R/B Miss Distance (Miss Distance) Trend

    ALOS 2 & SL-24 R/B Miss Distance (Miss Distance) TrendNot Available

    ALOS 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-24 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALOS 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-24 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALOS 2

    No nearby objects data