Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.126604E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T22:27:06+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 65146
    NORAD ID 65146
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1A KUIPER-00108
    Time of Closest Approach 2026-09-15T15:25:49+0000
    Collision Probability (Pc) 2.126604E-6
    Conjunction Distance (km) 2.249 km
    Relative Speed (km/s) 14.355 km/s
    Conjunction Risk Parameters R (Radial): 2.245 | I (In-track): -0.048 | C (Cross-track): 0.113
    Collision Risk Index (CRI) 0.42
    X Position (km) -2608.221 -2609.138
    Position Y (km) -5624.006 -5625.736
    Position Z (km) -3270.308 -3271.412
    Velocity X (km/s) -2.496 5.83
    Velocity Y (km/s) -2.678 0.072
    Velocity Z (km/s) 6.585 -4.78

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A KUIPER-00108
    Semimajor Axis (a) 6994.359 km 7007.684 km
    Eccentricity (e) 0.001811 0.000055
    Inclination (i) 97.6781° 51.9032°
    RAAN 240.7194° 44.4343°
    Perigee Argument 198.5541° 108.2190°
    Mean Anomaly (M) 161.5015° 251.8832°
    Apogee 628.893 km 629.932 km
    Perigee 603.551 km 629.162 km
    Orbit Epoch 2026-09-15T07:28:01+0000 2026-09-14T19:00:31+0000

    HJ-1A & KUIPER-00108 Collision Probability (Pc) Trend

    HJ-1A & KUIPER-00108 Collision Probability (Pc) TrendNot Available

    HJ-1A & KUIPER-00108 Miss Distance (Miss Distance) Trend

    HJ-1A & KUIPER-00108 Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00108Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00108Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data