Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.476767E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T14:34:48+0800
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    1 Object 1

    AOE ID 66687
    NORAD ID 66687
    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 IMPULSE-3 MIRA FLOCK 4H 12
    Time of Closest Approach 2026-09-15T20:42:29+0000
    Collision Probability (Pc) 2.476767E-7
    Conjunction Distance (km) 2.706 km
    Relative Speed (km/s) 0.026 km/s
    Conjunction Risk Parameters R (Radial): 2.549 | I (In-track): 0.845 | C (Cross-track): 0.332
    Collision Risk Index (CRI) 0.23
    X Position (km) -123.784 -124.73
    Position Y (km) -942.404 -942.642
    Position Z (km) 6801.856 6804.379
    Velocity X (km/s) -6.698 -6.685
    Velocity Y (km/s) 3.605 3.626
    Velocity Z (km/s) 0.374 0.381

    Orbital Parameters 国际轨道数据源

    Parameter IMPULSE-3 MIRA FLOCK 4H 12
    Semimajor Axis (a) 6876.074 km 6879.507 km
    Eccentricity (e) 0.000403 0.000291
    Inclination (i) 97.4189° 97.4122°
    RAAN 329.1829° 328.4784°
    Perigee Argument 173.4883° 54.1843°
    Mean Anomaly (M) 186.6406° 305.9663°
    Apogee 500.708 km 503.372 km
    Perigee 495.166 km 499.368 km
    Orbit Epoch 2026-09-13T16:16:43+0000 2026-09-13T03:36:44+0000

    IMPULSE-3 MIRA & FLOCK 4H 12 Collision Probability (Pc) Trend

    IMPULSE-3 MIRA & FLOCK 4H 12 Collision Probability (Pc) TrendNot Available

    IMPULSE-3 MIRA & FLOCK 4H 12 Miss Distance (Miss Distance) Trend

    IMPULSE-3 MIRA & FLOCK 4H 12 Miss Distance (Miss Distance) TrendNot Available

    IMPULSE-3 MIRAMiss 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

    IMPULSE-3 MIRACollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IMPULSE-3 MIRA

    No nearby objects data