Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.008297E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T09:26:56+0800
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    1 Object 1

    Name HJ-2E
    AOE ID 54035
    NORAD ID 54035
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59881
    NORAD ID 59881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-2E PREFIRE-2
    Time of Closest Approach 2026-10-15T01:46:12+0000
    Collision Probability (Pc) 2.008297E-4
    Conjunction Distance (km) 0.502 km
    Relative Speed (km/s) 14.486 km/s
    Conjunction Risk Parameters R (Radial): 0.502 | I (In-track): 0.01 | C (Cross-track): -0.005
    Collision Risk Index (CRI) 0.81
    X Position (km) 1733.149 1733.283
    Position Y (km) -2365.106 -2365.285
    Position Z (km) -6232.678 -6233.126
    Velocity X (km/s) 2.022 -5.723
    Velocity Y (km/s) -6.643 3.924
    Velocity Z (km/s) 3.087 -3.091

    Orbital Parameters 国际轨道数据源

    Parameter HJ-2E PREFIRE-2
    Semimajor Axis (a) 6882.988 km 6878.741 km
    Eccentricity (e) 0.000452 0.001271
    Inclination (i) 97.3849° 97.3915°
    RAAN 289.4689° 141.3038°
    Perigee Argument 340.4789° 142.6510°
    Mean Anomaly (M) 19.6272° 217.5611°
    Apogee 507.964 km 509.345 km
    Perigee 501.738 km 491.863 km
    Orbit Epoch 2026-10-14T07:06:13+0000 2026-10-14T02:36:00+0000

    HJ-2E & PREFIRE-2 Collision Probability (Pc) Trend

    HJ-2E & PREFIRE-2 Collision Probability (Pc) TrendNot Available

    HJ-2E & PREFIRE-2 Miss Distance (Miss Distance) Trend

    HJ-2E & PREFIRE-2 Miss Distance (Miss Distance) TrendNot Available

    HJ-2EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PREFIRE-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-2ECollision Probability Trend

    Object 1 Probability TrendNot Available

    PREFIRE-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-2E

    No nearby objects data