Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.296528E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:58:12+0800
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    1 Object 1

    AOE ID 28932
    NORAD ID 28932
    Object Type ROCKET BODY
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 67502
    NORAD ID 67502
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter H-2A R/B STARLINK-36554
    Time of Closest Approach 2026-09-05T13:52:54+0000
    Collision Probability (Pc) 3.296528E-6
    Conjunction Distance (km) 1.647 km
    Relative Speed (km/s) 7.945 km/s
    Conjunction Risk Parameters R (Radial): 0.761 | I (In-track): 1.25 | C (Cross-track): 0.757
    Collision Risk Index (CRI) 0.45
    X Position (km) 4172.381 4172.71
    Position Y (km) 4627.021 4626.554
    Position Z (km) 2866.878 2865.333
    Velocity X (km/s) -1.207 -5.829
    Velocity Y (km/s) -3.144 2.704
    Velocity Z (km/s) 6.859 4.11

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B STARLINK-36554
    Semimajor Axis (a) 6886.833 km 6861.171 km
    Eccentricity (e) 0.004940 0.000166
    Inclination (i) 98.2658° 43.0026°
    RAAN 50.1319° 29.1346°
    Perigee Argument 354.9597° 272.6467°
    Mean Anomaly (M) 5.1131° 87.4194°
    Apogee 542.716 km 484.176 km
    Perigee 474.676 km 481.892 km
    Orbit Epoch 2026-09-04T01:24:44+0000 2026-09-03T16:12:32+0000

    H-2A R/B & STARLINK-36554 Collision Probability (Pc) Trend

    H-2A R/B & STARLINK-36554 Collision Probability (Pc) TrendNot Available

    H-2A R/B & STARLINK-36554 Miss Distance (Miss Distance) Trend

    H-2A R/B & STARLINK-36554 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-36554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data