Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.202526E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:42:13+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 66725
    NORAD ID 66725
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-10B
    AOE ID 69321
    NORAD ID 69321
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FLOCK 4H 22 HJS-10B
    Time of Closest Approach 2026-10-22T15:36:25+0000
    Collision Probability (Pc) 3.202526E-6
    Conjunction Distance (km) 1.914 km
    Relative Speed (km/s) 14.748 km/s
    Conjunction Risk Parameters R (Radial): 1.878 | I (In-track): 0.081 | C (Cross-track): -0.361
    Collision Risk Index (CRI) 0.45
    X Position (km) -6543.456 -6541.685
    Position Y (km) -1058.302 -1057.673
    Position Z (km) 1846.223 1845.865
    Velocity X (km/s) -2.17 2.348
    Velocity Y (km/s) 0.68 -4.212
    Velocity Z (km/s) -7.265 5.893

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 22 HJS-10B
    Semimajor Axis (a) 6879.022 km 6878.521 km
    Eccentricity (e) 0.000148 0.000553
    Inclination (i) 97.4062° 54.9921°
    RAAN 4.9457° 190.0465°
    Perigee Argument 342.6580° 258.0958°
    Mean Anomaly (M) 17.4606° 101.9443°
    Apogee 501.902 km 504.188 km
    Perigee 499.868 km 496.580 km
    Orbit Epoch 2026-10-20T10:48:21+0000 2026-10-19T21:18:58+0000

    FLOCK 4H 22 & HJS-10B Collision Probability (Pc) Trend

    FLOCK 4H 22 & HJS-10B Collision Probability (Pc) TrendNot Available

    FLOCK 4H 22 & HJS-10B Miss Distance (Miss Distance) Trend

    FLOCK 4H 22 & HJS-10B Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 22Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-10BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 22Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-10BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 22

    No nearby objects data