Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.06654E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:50:35+0800
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    1 Object 1

    AOE ID 66712
    NORAD ID 66712
    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 9 HJS-10B
    Time of Closest Approach 2026-10-22T09:17:31+0000
    Collision Probability (Pc) 3.06654E-6
    Conjunction Distance (km) 1.946 km
    Relative Speed (km/s) 14.759 km/s
    Conjunction Risk Parameters R (Radial): 0.073 | I (In-track): -0.471 | C (Cross-track): -1.886
    Collision Risk Index (CRI) 0.45
    X Position (km) -6596.306 -6596.49
    Position Y (km) -1049.846 -1048.046
    Position Z (km) 1645.451 1646.165
    Velocity X (km/s) -1.95 2.162
    Velocity Y (km/s) 0.713 -4.21
    Velocity Z (km/s) -7.326 5.965

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 9 HJS-10B
    Semimajor Axis (a) 6878.349 km 6878.521 km
    Eccentricity (e) 0.000183 0.000553
    Inclination (i) 97.4106° 54.9921°
    RAAN 5.5567° 190.0465°
    Perigee Argument 243.9092° 258.0958°
    Mean Anomaly (M) 116.1956° 101.9443°
    Apogee 501.474 km 504.188 km
    Perigee 498.950 km 496.580 km
    Orbit Epoch 2026-10-20T17:06:54+0000 2026-10-19T21:18:58+0000

    FLOCK 4H 9 & HJS-10B Collision Probability (Pc) Trend

    FLOCK 4H 9 & HJS-10B Collision Probability (Pc) TrendNot Available

    FLOCK 4H 9 & HJS-10B Miss Distance (Miss Distance) Trend

    FLOCK 4H 9 & HJS-10B Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 9Miss 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 9Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-10BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 9

    No nearby objects data