Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.668965E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:30:08+0800
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    1 Object 1

    AOE ID 39771
    NORAD ID 39771
    Object Type ROCKET BODY
    Country
    JP JP
    VS

    2 Object 2

    Name HXMT
    AOE ID 42758
    NORAD ID 42758
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter H-2A R/B HXMT
    Time of Closest Approach 2026-09-05T15:47:49+0000
    Collision Probability (Pc) 2.668965E-6
    Conjunction Distance (km) 2.031 km
    Relative Speed (km/s) 14.102 km/s
    Conjunction Risk Parameters R (Radial): 0.245 | I (In-track): -0.747 | C (Cross-track): 1.872
    Collision Risk Index (CRI) 0.44
    X Position (km) -2414.572 -2416.413
    Position Y (km) -5876.063 -5875.984
    Position Z (km) 2699.301 2698.45
    Velocity X (km/s) 0.029 4.894
    Velocity Y (km/s) 3.169 -3.956
    Velocity Z (km/s) 6.906 -4.248

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B HXMT
    Semimajor Axis (a) 6898.328 km 6886.844 km
    Eccentricity (e) 0.000726 0.003268
    Inclination (i) 98.2038° 43.0139°
    RAAN 249.3190° 103.6932°
    Perigee Argument 233.7836° 285.2300°
    Mean Anomaly (M) 126.2724° 74.4937°
    Apogee 525.200 km 531.211 km
    Perigee 515.182 km 486.203 km
    Orbit Epoch 2026-09-03T22:29:17+0000 2026-09-04T01:17:08+0000

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

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

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

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

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

    Object 1 Miss Distance TrendNot Available

    HXMTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    HXMTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data