Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.353555E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T10:57:34+0800
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    1 Object 1

    Name OKEAN 2
    AOE ID 20510
    NORAD ID 20510
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name HJ-2F
    AOE ID 57519
    NORAD ID 57519
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OKEAN 2 HJ-2F
    Time of Closest Approach 2026-10-18T01:33:14+0000
    Collision Probability (Pc) 2.353555E-6
    Conjunction Distance (km) 2.182 km
    Relative Speed (km/s) 15.179 km/s
    Conjunction Risk Parameters R (Radial): -0.144 | I (In-track): -0.043 | C (Cross-track): -2.176
    Collision Risk Index (CRI) 0.42
    X Position (km) 947.682 945.677
    Position Y (km) 57.69 56.841
    Position Z (km) -6831.263 -6831.403
    Velocity X (km/s) -2.795 3.048
    Velocity Y (km/s) 7.052 -6.939
    Velocity Z (km/s) -0.33 0.364

    Orbital Parameters 国际轨道数据源

    Parameter OKEAN 2 HJ-2F
    Semimajor Axis (a) 6892.482 km 6882.909 km
    Eccentricity (e) 0.000483 0.000953
    Inclination (i) 82.4953° 97.3897°
    RAAN 113.4297° 292.8632°
    Perigee Argument 243.0401° 100.4491°
    Mean Anomaly (M) 148.8331° 259.7820°
    Apogee 517.673 km 511.334 km
    Perigee 511.017 km 498.210 km
    Orbit Epoch 2026-10-16T13:41:41+0000 2026-10-16T19:55:32+0000

    OKEAN 2 & HJ-2F Collision Probability (Pc) Trend

    OKEAN 2 & HJ-2F Collision Probability (Pc) TrendNot Available

    OKEAN 2 & HJ-2F Miss Distance (Miss Distance) Trend

    OKEAN 2 & HJ-2F Miss Distance (Miss Distance) TrendNot Available

    OKEAN 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJ-2FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OKEAN 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJ-2FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OKEAN 2

    No nearby objects data