Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.34624E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T08:51:24+0800
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    1 Object 1

    AOE ID 66707
    NORAD ID 66707
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-9D
    AOE ID 68834
    NORAD ID 68834
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FLOCK 4H 4 HJS-9D
    Time of Closest Approach 2026-10-16T05:43:51+0000
    Collision Probability (Pc) 1.34624E-6
    Conjunction Distance (km) 2.938 km
    Relative Speed (km/s) 14.281 km/s
    Conjunction Risk Parameters R (Radial): 2.933 | I (In-track): 0.062 | C (Cross-track): 0.154
    Collision Risk Index (CRI) 0.38
    X Position (km) -5125.275 -5127.414
    Position Y (km) 520.929 521.006
    Position Z (km) -4571.205 -4573.217
    Velocity X (km/s) 5.077 -3.8
    Velocity Y (km/s) 0.802 -5.475
    Velocity Z (km/s) -5.602 3.657

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 4 HJS-9D
    Semimajor Axis (a) 6880.802 km 6884.912 km
    Eccentricity (e) 0.000316 0.001578
    Inclination (i) 97.4116° 54.9960°
    RAAN 359.7537° 215.4829°
    Perigee Argument 314.6613° 38.4488°
    Mean Anomaly (M) 45.4365° 321.7653°
    Apogee 504.837 km 517.639 km
    Perigee 500.493 km 495.911 km
    Orbit Epoch 2026-10-15T03:29:47+0000 2026-10-15T14:10:58+0000

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

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

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

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

    FLOCK 4H 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 4

    No nearby objects data