Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.469647E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:00:59+0800
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    1 Object 1

    AOE ID 33500
    NORAD ID 33500
    Object Type ROCKET BODY
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 55915
    NORAD ID 55915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter H-2A R/B STARLINK-5859
    Time of Closest Approach 2026-09-13T03:38:49+0000
    Collision Probability (Pc) 2.469647E-5
    Conjunction Distance (km) 0.973 km
    Relative Speed (km/s) 11.345 km/s
    Conjunction Risk Parameters R (Radial): 0.887 | I (In-track): 0.262 | C (Cross-track): -0.303
    Collision Risk Index (CRI) 0.63
    X Position (km) -250.429 -250.254
    Position Y (km) -2466.858 -2466.855
    Position Z (km) 6486.215 6487.172
    Velocity X (km/s) -2.36 7.426
    Velocity Y (km/s) 6.757 1.272
    Velocity Z (km/s) 2.456 0.769

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B STARLINK-5859
    Semimajor Axis (a) 6936.418 km 6950.189 km
    Eccentricity (e) 0.003019 0.000292
    Inclination (i) 98.2187° 69.9987°
    RAAN 284.3576° 196.5983°
    Perigee Argument 210.4293° 268.0358°
    Mean Anomaly (M) 149.5180° 92.0466°
    Apogee 579.221 km 574.083 km
    Perigee 537.341 km 570.021 km
    Orbit Epoch 2026-09-11T04:59:22+0000 2026-09-11T06:24:42+0000

    H-2A R/B & STARLINK-5859 Collision Probability (Pc) Trend

    H-2A R/B & STARLINK-5859 Collision Probability (Pc) TrendNot Available

    H-2A R/B & STARLINK-5859 Miss Distance (Miss Distance) Trend

    H-2A R/B & STARLINK-5859 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5859Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5859Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data