Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.959891E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-06T19:44:56+0800
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    1 Object 1

    AOE ID 43682
    NORAD ID 43682
    Object Type ROCKET BODY
    Country
    JP JP
    ← VS →

    2 Object 2

    Name NEMO-HD
    AOE ID 46277
    NORAD ID 46277
    Object Type PAYLOAD
    Country
    SI SI

    Conjunction Constraints

    Parameter H-2A R/B NEMO-HD
    Time of Closest Approach 2026-10-06T16:04:41+0000
    Collision Probability (Pc) 1.959891E-6
    Conjunction Distance (km) 2.361 km
    Relative Speed (km/s) 14.834 km/s
    Conjunction Risk Parameters R (Radial): -1.73 | I (In-track): -0.38 | C (Cross-track): 1.56
    Collision Risk Index (CRI) 0.41
    X Position (km) 3919.102 3918.332
    Position Y (km) -643.791 -642.038
    Position Z (km) -5537.32 -5535.94
    Velocity X (km/s) -6.237 5.718
    Velocity Y (km/s) -1.016 -2.598
    Velocity Z (km/s) -4.284 4.352

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B NEMO-HD
    Semimajor Axis (a) 6797.212 km 6804.981 km
    Eccentricity (e) 0.002111 0.000173
    Inclination (i) 98.8397° 97.1796°
    RAAN 182.0452° 340.0688°
    Perigee Argument 14.3844° 68.3623°
    Mean Anomaly (M) 345.7999° 291.7812°
    Apogee 433.424 km 428.022 km
    Perigee 404.726 km 425.666 km
    Orbit Epoch 2026-10-05T17:21:48+0000 2026-10-06T03:53:33+0000

    H-2A R/B & NEMO-HD Collision Probability (Pc) Trend

    H-2A R/B & NEMO-HD Collision Probability (Pc) TrendNot Available

    H-2A R/B & NEMO-HD Miss Distance (Miss Distance) Trend

    H-2A R/B & NEMO-HD Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    NEMO-HDMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    NEMO-HDCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data