Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.647969E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:39:38+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 67155
    NORAD ID 67155
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1A KUIPER-00250
    Time of Closest Approach 2026-10-20T09:53:07+0000
    Collision Probability (Pc) 4.647969E-5
    Conjunction Distance (km) 0.826 km
    Relative Speed (km/s) 12.8 km/s
    Conjunction Risk Parameters R (Radial): -0.451 | I (In-track): 0.363 | C (Cross-track): -0.588
    Collision Risk Index (CRI) 0.68
    X Position (km) 380.102 380.653
    Position Y (km) 4450.366 4450.98
    Position Z (km) -5406.297 -5406.339
    Velocity X (km/s) 1.092 -7.152
    Velocity Y (km/s) -5.78 2.048
    Velocity Z (km/s) -4.695 1.183

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A KUIPER-00250
    Semimajor Axis (a) 6994.186 km 7007.640 km
    Eccentricity (e) 0.002045 0.000128
    Inclination (i) 97.6841° 51.8966°
    RAAN 273.6379° 163.0686°
    Perigee Argument 89.7208° 94.8014°
    Mean Anomaly (M) 270.6350° 265.3094°
    Apogee 630.355 km 630.403 km
    Perigee 601.743 km 628.603 km
    Orbit Epoch 2026-10-19T11:48:56+0000 2026-10-19T00:12:17+0000

    HJ-1A & KUIPER-00250 Collision Probability (Pc) Trend

    HJ-1A & KUIPER-00250 Collision Probability (Pc) TrendNot Available

    HJ-1A & KUIPER-00250 Miss Distance (Miss Distance) Trend

    HJ-1A & KUIPER-00250 Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00250Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00250Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data