Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.478444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:36:45+0800
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    1 Object 1

    AOE ID 66715
    NORAD ID 66715
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67399
    NORAD ID 67399
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4H 12 TOMORROW-S11
    Time of Closest Approach 2026-10-22T23:38:39+0000
    Collision Probability (Pc) 2.478444E-6
    Conjunction Distance (km) 1.876 km
    Relative Speed (km/s) 9.055 km/s
    Conjunction Risk Parameters R (Radial): -0.815 | I (In-track): -1.359 | C (Cross-track): 1.003
    Collision Risk Index (CRI) 0.43
    X Position (km) 546.1 547.636
    Position Y (km) 966.019 965.305
    Position Z (km) -6795.441 -6796.245
    Velocity X (km/s) 7.506 3.144
    Velocity Y (km/s) 0.919 -6.88
    Velocity Z (km/s) 0.733 -0.724

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 12 TOMORROW-S11
    Semimajor Axis (a) 6878.305 km 6882.554 km
    Eccentricity (e) 0.000110 0.000525
    Inclination (i) 97.4080° 97.4645°
    RAAN 5.5124° 291.1867°
    Perigee Argument 202.6379° 267.3171°
    Mean Anomaly (M) 157.4809° 92.7463°
    Apogee 500.925 km 508.034 km
    Perigee 499.411 km 500.800 km
    Orbit Epoch 2026-10-20T18:21:47+0000 2026-10-20T07:18:21+0000

    FLOCK 4H 12 & TOMORROW-S11 Collision Probability (Pc) Trend

    FLOCK 4H 12 & TOMORROW-S11 Collision Probability (Pc) TrendNot Available

    FLOCK 4H 12 & TOMORROW-S11 Miss Distance (Miss Distance) Trend

    FLOCK 4H 12 & TOMORROW-S11 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 12

    No nearby objects data