Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.058612E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:33:19+0800
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    1 Object 1

    AOE ID 66726
    NORAD ID 66726
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name FEMTO-1
    AOE ID 68419
    NORAD ID 68419
    Object Type PAYLOAD
    Country
    BG BG

    Conjunction Constraints

    Parameter FLOCK 4H 23 FEMTO-1
    Time of Closest Approach 2026-09-08T05:10:00+0000
    Collision Probability (Pc) 8.058612E-6
    Conjunction Distance (km) 1.376 km
    Relative Speed (km/s) 12.684 km/s
    Conjunction Risk Parameters R (Radial): 1.367 | I (In-track): 0.074 | C (Cross-track): 0.133
    Collision Risk Index (CRI) 0.53
    X Position (km) 1620.362 1620.662
    Position Y (km) -113.79 -113.963
    Position Z (km) -6698.833 -6700.164
    Velocity X (km/s) 5.863 -6.434
    Velocity Y (km/s) -4.584 -3.745
    Velocity Z (km/s) 1.499 -1.491

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 23 FEMTO-1
    Semimajor Axis (a) 6882.081 km 6886.004 km
    Eccentricity (e) 0.000602 0.000237
    Inclination (i) 97.4178° 97.4618°
    RAAN 320.5187° 204.8760°
    Perigee Argument 82.3239° 40.6479°
    Mean Anomaly (M) 277.8680° 319.4932°
    Apogee 508.090 km 509.496 km
    Perigee 499.798 km 506.238 km
    Orbit Epoch 2026-09-05T04:51:53+0000 2026-09-04T08:21:17+0000

    FLOCK 4H 23 & FEMTO-1 Collision Probability (Pc) Trend

    FLOCK 4H 23 & FEMTO-1 Collision Probability (Pc) TrendNot Available

    FLOCK 4H 23 & FEMTO-1 Miss Distance (Miss Distance) Trend

    FLOCK 4H 23 & FEMTO-1 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 23Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FEMTO-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 23Collision Probability Trend

    Object 1 Probability TrendNot Available

    FEMTO-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 23

    No nearby objects data