Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.299631E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T21:48:16+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 69929
    NORAD ID 69929
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HODOYOSHI 4 N2-P-BODY
    Time of Closest Approach 2026-10-31T21:41:57+0000
    Collision Probability (Pc) 1.299631E-5
    Conjunction Distance (km) 1.133 km
    Relative Speed (km/s) 9.651 km/s
    Conjunction Risk Parameters R (Radial): -1.112 | I (In-track): 0.165 | C (Cross-track): 0.135
    Collision Risk Index (CRI) 0.57
    X Position (km) -327.911 -327.759
    Position Y (km) -1163.072 -1163.317
    Position Z (km) -6873.774 -6874.87
    Velocity X (km/s) -4.204 -6.918
    Velocity Y (km/s) 6.214 -2.893
    Velocity Z (km/s) -0.865 0.816

    Orbital Parameters 国际轨道数据源

    Parameter HODOYOSHI 4 N2-P-BODY
    Semimajor Axis (a) 6981.082 km 6966.900 km
    Eccentricity (e) 0.002258 0.000987
    Inclination (i) 97.5469° 97.7442°
    RAAN 122.5167° 202.3057°
    Perigee Argument 211.6712° 128.7920°
    Mean Anomaly (M) 148.3148° 231.4182°
    Apogee 618.710 km 595.640 km
    Perigee 587.180 km 581.886 km
    Orbit Epoch 2026-10-31T04:23:05+0000 2026-10-30T15:30:43+0000

    HODOYOSHI 4 & N2-P-BODY Collision Probability (Pc) Trend

    HODOYOSHI 4 & N2-P-BODY Collision Probability (Pc) TrendNot Available

    HODOYOSHI 4 & N2-P-BODY Miss Distance (Miss Distance) Trend

    HODOYOSHI 4 & N2-P-BODY Miss Distance (Miss Distance) TrendNot Available

    HODOYOSHI 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    N2-P-BODYMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HODOYOSHI 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    N2-P-BODYCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HODOYOSHI 4

    No nearby objects data