Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.867132E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T08:06:44+0800
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    1 Object 1

    AOE ID 40011
    NORAD ID 40011
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 64585
    NORAD ID 64585
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter HODOYOSHI 4 IRIDE-MS2-HEO-9
    Time of Closest Approach 2026-09-01T07:09:06+0000
    Collision Probability (Pc) 1.867132E-6
    Conjunction Distance (km) 2.057 km
    Relative Speed (km/s) 8.349 km/s
    Conjunction Risk Parameters R (Radial): 0.379 | I (In-track): -1.682 | C (Cross-track): 1.121
    Collision Risk Index (CRI) 0.4
    X Position (km) 562.074 563.83
    Position Y (km) -962.582 -961.58
    Position Z (km) 6870.773 6871.153
    Velocity X (km/s) -3.213 -7.535
    Velocity Y (km/s) -6.823 0.196
    Velocity Z (km/s) -0.679 0.644

    Orbital Parameters 国际轨道数据源

    Parameter HODOYOSHI 4 IRIDE-MS2-HEO-9
    Semimajor Axis (a) 6981.418 km 6970.055 km
    Eccentricity (e) 0.002503 0.000243
    Inclination (i) 97.5477° 97.7819°
    RAAN 64.8117° 357.1634°
    Perigee Argument 57.4961° 101.1456°
    Mean Anomaly (M) 302.8671° 259.0037°
    Apogee 620.759 km 593.614 km
    Perigee 585.803 km 590.222 km
    Orbit Epoch 2026-08-31T14:35:28+0000 2026-08-31T14:40:32+0000

    HODOYOSHI 4 & IRIDE-MS2-HEO-9 Collision Probability (Pc) Trend

    HODOYOSHI 4 & IRIDE-MS2-HEO-9 Collision Probability (Pc) TrendNot Available

    HODOYOSHI 4 & IRIDE-MS2-HEO-9 Miss Distance (Miss Distance) Trend

    HODOYOSHI 4 & IRIDE-MS2-HEO-9 Miss Distance (Miss Distance) TrendNot Available

    HODOYOSHI 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS2-HEO-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HODOYOSHI 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS2-HEO-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HODOYOSHI 4

    No nearby objects data