Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.306639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:31:46+0800
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    1 Object 1

    Name HJ-1B
    AOE ID 33321
    NORAD ID 33321
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63744
    NORAD ID 63744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1B KUIPER-00031
    Time of Closest Approach 2026-10-30T16:31:59+0000
    Collision Probability (Pc) 1.306639E-6
    Conjunction Distance (km) 2.997 km
    Relative Speed (km/s) 14.144 km/s
    Conjunction Risk Parameters R (Radial): -2.875 | I (In-track): 0.297 | C (Cross-track): 0.79
    Collision Risk Index (CRI) 0.37
    X Position (km) -1134.548 -1134.748
    Position Y (km) 5555.467 5552.8
    Position Z (km) -4130.605 -4129.253
    Velocity X (km/s) 2.087 -6.211
    Velocity Y (km/s) -4.012 1.654
    Velocity Z (km/s) -6.018 3.935

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1B KUIPER-00031
    Semimajor Axis (a) 6996.378 km 7007.719 km
    Eccentricity (e) 0.003765 0.000121
    Inclination (i) 97.6674° 51.8980°
    RAAN 286.4880° 142.0468°
    Perigee Argument 100.3660° 109.5714°
    Mean Anomaly (M) 260.1802° 259.8467°
    Apogee 644.580 km 630.430 km
    Perigee 591.902 km 628.734 km
    Orbit Epoch 2026-10-29T23:22:36+0000 2026-10-29T10:00:02+0000

    HJ-1B & KUIPER-00031 Collision Probability (Pc) Trend

    HJ-1B & KUIPER-00031 Collision Probability (Pc) TrendNot Available

    HJ-1B & KUIPER-00031 Miss Distance (Miss Distance) Trend

    HJ-1B & KUIPER-00031 Miss Distance (Miss Distance) TrendNot Available

    HJ-1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00031Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00031Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1B

    No nearby objects data