Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.56468E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:18:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 67779
    NORAD ID 67779
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1A KUIPER-00215
    Time of Closest Approach 2026-09-11T16:15:39+0000
    Collision Probability (Pc) 1.56468E-6
    Conjunction Distance (km) 2.632 km
    Relative Speed (km/s) 14.119 km/s
    Conjunction Risk Parameters R (Radial): -1.815 | I (In-track): -0.661 | C (Cross-track): 1.786
    Collision Risk Index (CRI) 0.39
    X Position (km) -3479.468 -3480.214
    Position Y (km) -4344.158 -4342.451
    Position Z (km) 4251.802 4249.943
    Velocity X (km/s) 1.837 2.765
    Velocity Y (km/s) 4.32 -5.921
    Velocity Z (km/s) 5.898 -3.776

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A KUIPER-00215
    Semimajor Axis (a) 6994.370 km 7007.695 km
    Eccentricity (e) 0.001773 0.000086
    Inclination (i) 97.6770° 51.8975°
    RAAN 236.8252° 91.2023°
    Perigee Argument 212.2705° 101.7506°
    Mean Anomaly (M) 147.7427° 258.3553°
    Apogee 628.637 km 630.161 km
    Perigee 603.829 km 628.955 km
    Orbit Epoch 2026-09-11T06:22:56+0000 2026-09-10T23:28:17+0000

    HJ-1A & KUIPER-00215 Collision Probability (Pc) Trend

    HJ-1A & KUIPER-00215 Collision Probability (Pc) TrendNot Available

    HJ-1A & KUIPER-00215 Miss Distance (Miss Distance) Trend

    HJ-1A & KUIPER-00215 Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00215Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00215Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data