Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.493809E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:18:56+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 45847
    NORAD ID 45847
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter HJ-1A FREGAT DEB
    Time of Closest Approach 2026-10-25T11:47:35+0000
    Collision Probability (Pc) 1.493809E-6
    Conjunction Distance (km) 2.753 km
    Relative Speed (km/s) 14.69 km/s
    Conjunction Risk Parameters R (Radial): -2.015 | I (In-track): 0.437 | C (Cross-track): -1.824
    Collision Risk Index (CRI) 0.38
    X Position (km) 1226.878 1228.258
    Position Y (km) -6854.614 -6852.394
    Position Z (km) -657.042 -656.178
    Velocity X (km/s) -0.878 4.728
    Velocity Y (km/s) -0.849 0.912
    Velocity Z (km/s) 7.453 -6.01

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1A FREGAT DEB
    Semimajor Axis (a) 6994.151 km 7281.849 km
    Eccentricity (e) 0.002050 0.075728
    Inclination (i) 97.6837° 51.3954°
    RAAN 278.2499° 101.0731°
    Perigee Argument 75.1445° 120.8099°
    Mean Anomaly (M) 285.2038° 246.9588°
    Apogee 630.349 km 1455.154 km
    Perigee 601.679 km 352.270 km
    Orbit Epoch 2026-10-24T06:41:37+0000 2026-10-24T04:04:40+0000

    HJ-1A & FREGAT DEB Collision Probability (Pc) Trend

    HJ-1A & FREGAT DEB Collision Probability (Pc) TrendNot Available

    HJ-1A & FREGAT DEB Miss Distance (Miss Distance) Trend

    HJ-1A & FREGAT DEB Miss Distance (Miss Distance) TrendNot Available

    HJ-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FREGAT DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    FREGAT DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1A

    No nearby objects data