Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.986622E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T05:00:15+0800
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    1 Object 1

    AOE ID 66736
    NORAD ID 66736
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SELENE
    AOE ID 69020
    NORAD ID 69020
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter FLOCK 4H 33 SELENE
    Time of Closest Approach 2026-09-07T07:43:53+0000
    Collision Probability (Pc) 1.986622E-6
    Conjunction Distance (km) 2.358 km
    Relative Speed (km/s) 15.094 km/s
    Conjunction Risk Parameters R (Radial): -0.365 | I (In-track): 0.319 | C (Cross-track): -2.306
    Collision Risk Index (CRI) 0.41
    X Position (km) -5470.811 -5469.18
    Position Y (km) 3858.929 3860.628
    Position Z (km) 1589.866 1589.772
    Velocity X (km/s) -0.852 2.015
    Velocity Y (km/s) 1.836 -0.191
    Velocity Z (km/s) -7.339 7.341

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 33 SELENE
    Semimajor Axis (a) 6878.789 km 6882.091 km
    Eccentricity (e) 0.000294 0.000579
    Inclination (i) 97.4160° 97.3923°
    RAAN 321.1851° 144.8686°
    Perigee Argument 49.9264° 69.4558°
    Mean Anomaly (M) 310.2229° 290.7298°
    Apogee 502.675 km 507.938 km
    Perigee 498.629 km 499.970 km
    Orbit Epoch 2026-09-05T10:48:51+0000 2026-09-05T14:36:38+0000

    FLOCK 4H 33 & SELENE Collision Probability (Pc) Trend

    FLOCK 4H 33 & SELENE Collision Probability (Pc) TrendNot Available

    FLOCK 4H 33 & SELENE Miss Distance (Miss Distance) Trend

    FLOCK 4H 33 & SELENE Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 33Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SELENEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 33Collision Probability Trend

    Object 1 Probability TrendNot Available

    SELENECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 33

    No nearby objects data