Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.292029E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T04:47:28+0800
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    1 Object 1

    Name HJ-1A
    AOE ID 33320
    NORAD ID 33320
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67157
    NORAD ID 67157
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1A KUIPER-00252
    Time of Closest Approach 2026-10-15T08:32:27+0000
    Collision Probability (Pc) 1.292029E-6
    Conjunction Distance (km) 2.787 km
    Relative Speed (km/s) 11.78 km/s
    Conjunction Risk Parameters R (Radial): 2.655 | I (In-track): -0.528 | C (Cross-track): -0.664
    Collision Risk Index (CRI) 0.37
    X Position (km) 770.291 771.2
    Position Y (km) 4258.111 4260.138
    Position Z (km) -5515.492 -5517.173
    Velocity X (km/s) 0.577 -7.405
    Velocity Y (km/s) -5.973 1.381
    Velocity Z (km/s) -4.547 0.031

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A KUIPER-00252
    Semimajor Axis (a) 6994.216 km 7007.683 km
    Eccentricity (e) 0.002032 0.000099
    Inclination (i) 97.6826° 51.8981°
    RAAN 268.6377° 174.8515°
    Perigee Argument 105.5141° 98.5194°
    Mean Anomaly (M) 254.8320° 261.5880°
    Apogee 630.294 km 630.238 km
    Perigee 601.864 km 628.854 km
    Orbit Epoch 2026-10-14T07:13:42+0000 2026-10-14T02:09:07+0000

    HJ-1A & KUIPER-00252 Collision Probability (Pc) Trend

    HJ-1A & KUIPER-00252 Collision Probability (Pc) TrendNot Available

    HJ-1A & KUIPER-00252 Miss Distance (Miss Distance) Trend

    HJ-1A & KUIPER-00252 Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00252Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00252Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data