Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.249477E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T14:41:57+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 66713
    NORAD ID 66713
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66715
    NORAD ID 66715
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4H 10 FLOCK 4H 12
    Time of Closest Approach 2026-09-16T06:11:27+0000
    Collision Probability (Pc) 5.249477E-7
    Conjunction Distance (km) 1.737 km
    Relative Speed (km/s) 0.039 km/s
    Conjunction Risk Parameters R (Radial): -0.115 | I (In-track): -1.732 | C (Cross-track): -0.046
    Collision Risk Index (CRI) 0.29
    X Position (km) -420.041 -418.492
    Position Y (km) -781.258 -782.037
    Position Z (km) 6813.187 6813.077
    Velocity X (km/s) -6.678 -6.695
    Velocity Y (km/s) 3.662 3.628
    Velocity Z (km/s) 0.011 0.007

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 10 FLOCK 4H 12
    Semimajor Axis (a) 6881.557 km 6879.507 km
    Eccentricity (e) 0.000574 0.000291
    Inclination (i) 97.4123° 97.4122°
    RAAN 328.7089° 328.4784°
    Perigee Argument 65.8324° 54.1843°
    Mean Anomaly (M) 294.3510° 305.9663°
    Apogee 507.370 km 503.372 km
    Perigee 499.470 km 499.368 km
    Orbit Epoch 2026-09-13T16:12:44+0000 2026-09-13T03:36:44+0000

    FLOCK 4H 10 & FLOCK 4H 12 Collision Probability (Pc) Trend

    FLOCK 4H 10 & FLOCK 4H 12 Collision Probability (Pc) TrendNot Available

    FLOCK 4H 10 & FLOCK 4H 12 Miss Distance (Miss Distance) Trend

    FLOCK 4H 10 & FLOCK 4H 12 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 10Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 10Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 10

    No nearby objects data