Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.735441E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:18:36+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 64515
    NORAD ID 64515
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1A KUIPER-00055
    Time of Closest Approach 2026-09-12T05:05:27+0000
    Collision Probability (Pc) 1.735441E-5
    Conjunction Distance (km) 1.133 km
    Relative Speed (km/s) 14.526 km/s
    Conjunction Risk Parameters R (Radial): -1.128 | I (In-track): 0.023 | C (Cross-track): -0.094
    Collision Risk Index (CRI) 0.6
    X Position (km) -3823.642 -3822.946
    Position Y (km) -5680.335 -5679.465
    Position Z (km) 1489.719 1489.513
    Velocity X (km/s) 0.035 3.253
    Velocity Y (km/s) 1.896 -3.698
    Velocity Z (km/s) 7.295 -5.717

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A KUIPER-00055
    Semimajor Axis (a) 6994.370 km 7007.689 km
    Eccentricity (e) 0.001773 0.000070
    Inclination (i) 97.6770° 51.9018°
    RAAN 236.8252° 72.5908°
    Perigee Argument 212.2705° 105.3528°
    Mean Anomaly (M) 147.7427° 254.7512°
    Apogee 628.637 km 630.042 km
    Perigee 603.829 km 629.062 km
    Orbit Epoch 2026-09-11T06:22:56+0000 2026-09-10T16:41:47+0000

    HJ-1A & KUIPER-00055 Collision Probability (Pc) Trend

    HJ-1A & KUIPER-00055 Collision Probability (Pc) TrendNot Available

    HJ-1A & KUIPER-00055 Miss Distance (Miss Distance) Trend

    HJ-1A & KUIPER-00055 Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00055Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00055Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data