Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.571699E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:24:16+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name HJ-2E
    AOE ID 54035
    NORAD ID 54035
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58558
    NORAD ID 58558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter HJ-2E YAOGAN-39 05B
    Time of Closest Approach 2026-11-01T15:47:40+0000
    Collision Probability (Pc) 9.571699E-7
    Conjunction Distance (km) 2.95 km
    Relative Speed (km/s) 7.888 km/s
    Conjunction Risk Parameters R (Radial): 2.578 | I (In-track): 1.226 | C (Cross-track): -0.746
    Collision Risk Index (CRI) 0.35
    X Position (km) 4162.031 4164.027
    Position Y (km) -5481.172 -5482.837
    Position Z (km) 225.501 226.896
    Velocity X (km/s) -0.932 4.874
    Velocity Y (km/s) -0.39 3.897
    Velocity Z (km/s) 7.542 4.36

    Orbital Parameters 国际轨道数据源

    Parameter HJ-2E YAOGAN-39 05B
    Semimajor Axis (a) 6882.483 km 6893.263 km
    Eccentricity (e) 0.000353 0.001038
    Inclination (i) 97.3849° 34.9928°
    RAAN 304.8106° 322.5624°
    Perigee Argument 264.4016° 39.7952°
    Mean Anomaly (M) 95.6817° 320.3521°
    Apogee 506.776 km 522.283 km
    Perigee 501.916 km 507.969 km
    Orbit Epoch 2026-10-29T23:01:46+0000 2026-10-29T18:16:48+0000

    HJ-2E & YAOGAN-39 05B Collision Probability (Pc) Trend

    HJ-2E & YAOGAN-39 05B Collision Probability (Pc) TrendNot Available

    HJ-2E & YAOGAN-39 05B Miss Distance (Miss Distance) Trend

    HJ-2E & YAOGAN-39 05B Miss Distance (Miss Distance) TrendNot Available

    HJ-2EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 05BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-2ECollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 05BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-2E

    No nearby objects data