Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.744077E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:44:25+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 59965
    NORAD ID 59965
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HXMT PREFIRE-1
    Time of Closest Approach 2026-09-06T19:21:25+0000
    Collision Probability (Pc) 9.744077E-7
    Conjunction Distance (km) 2.991 km
    Relative Speed (km/s) 8.379 km/s
    Conjunction Risk Parameters R (Radial): 2.659 | I (In-track): -1.145 | C (Cross-track): -0.748
    Collision Risk Index (CRI) 0.35
    X Position (km) 3852.263 3853.782
    Position Y (km) 4504.303 4505.198
    Position Z (km) -3468.811 -3471.227
    Velocity X (km/s) -3.581 3.352
    Velocity Y (km/s) 5.759 2.136
    Velocity Z (km/s) 3.497 6.499

    Orbital Parameters 国际轨道数据源

    Parameter HXMT PREFIRE-1
    Semimajor Axis (a) 6886.831 km 6870.945 km
    Eccentricity (e) 0.003262 0.001013
    Inclination (i) 43.0139° 97.5409°
    RAAN 98.5625° 43.0980°
    Perigee Argument 290.8521° 328.6706°
    Mean Anomaly (M) 68.8836° 31.3927°
    Apogee 531.156 km 499.767 km
    Perigee 486.232 km 485.849 km
    Orbit Epoch 2026-09-04T23:22:44+0000 2026-09-04T21:48:08+0000

    HXMT & PREFIRE-1 Collision Probability (Pc) Trend

    HXMT & PREFIRE-1 Collision Probability (Pc) TrendNot Available

    HXMT & PREFIRE-1 Miss Distance (Miss Distance) Trend

    HXMT & PREFIRE-1 Miss Distance (Miss Distance) TrendNot Available

    HXMTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PREFIRE-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HXMTCollision Probability Trend

    Object 1 Probability TrendNot Available

    PREFIRE-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HXMT

    No nearby objects data