Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.414936E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T19:23:08+0800
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    1 Object 1

    AOE ID 38341
    NORAD ID 38341
    Object Type ROCKET BODY
    Country
    JP JP
    ← VS →

    2 Object 2

    Name 3CAT-4
    AOE ID 60236
    NORAD ID 60236
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter H-2A R/B 3CAT-4
    Time of Closest Approach 2026-10-19T14:42:35+0000
    Collision Probability (Pc) 1.414936E-4
    Conjunction Distance (km) 0.57 km
    Relative Speed (km/s) 13.471 km/s
    Conjunction Risk Parameters R (Radial): 0.333 | I (In-track): -0.213 | C (Cross-track): -0.41
    Collision Risk Index (CRI) 0.78
    X Position (km) 422.515 422.895
    Position Y (km) 3413.223 3413.627
    Position Z (km) -6037.949 -6038.076
    Velocity X (km/s) 1.472 -6.869
    Velocity Y (km/s) -6.524 2.943
    Velocity Z (km/s) -3.554 1.164

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B 3CAT-4
    Semimajor Axis (a) 6956.844 km 6937.141 km
    Eccentricity (e) 0.004241 0.002444
    Inclination (i) 98.4974° 61.9920°
    RAAN 276.2979° 157.8022°
    Perigee Argument 306.2620° 168.3500°
    Mean Anomaly (M) 53.4684° 191.8161°
    Apogee 608.211 km 575.960 km
    Perigee 549.203 km 542.048 km
    Orbit Epoch 2026-10-17T21:30:15+0000 2026-10-17T23:08:12+0000

    H-2A R/B & 3CAT-4 Collision Probability (Pc) Trend

    H-2A R/B & 3CAT-4 Collision Probability (Pc) TrendNot Available

    H-2A R/B & 3CAT-4 Miss Distance (Miss Distance) Trend

    H-2A R/B & 3CAT-4 Miss Distance (Miss Distance) TrendNot Available

    H-2A R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    3CAT-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    3CAT-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data