Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.708691E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T08:47:40+0800
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    1 Object 1

    AOE ID 41338
    NORAD ID 41338
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 66721
    NORAD ID 66721
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CHUBUSAT 2 FLOCK 4H 18
    Time of Closest Approach 2026-10-25T12:47:25+0000
    Collision Probability (Pc) 8.708691E-6
    Conjunction Distance (km) 1.366 km
    Relative Speed (km/s) 13.701 km/s
    Conjunction Risk Parameters R (Radial): 1.094 | I (In-track): -0.352 | C (Cross-track): -0.737
    Collision Risk Index (CRI) 0.54
    X Position (km) 6764.44 6765.612
    Position Y (km) 1213.681 1213.2
    Position Z (km) -354.941 -355.45
    Velocity X (km/s) -1.352 0.551
    Velocity Y (km/s) 6.394 -0.899
    Velocity Z (km/s) -3.902 7.539

    Orbital Parameters 国际轨道数据源

    Parameter CHUBUSAT 2 FLOCK 4H 18
    Semimajor Axis (a) 6877.906 km 6880.490 km
    Eccentricity (e) 0.000863 0.000250
    Inclination (i) 30.9970° 97.4067°
    RAAN 201.8393° 6.0290°
    Perigee Argument 305.9216° 319.9893°
    Mean Anomaly (M) 54.0624° 40.1158°
    Apogee 505.705 km 504.074 km
    Perigee 493.833 km 500.632 km
    Orbit Epoch 2026-10-23T00:10:12+0000 2026-10-21T17:14:14+0000

    CHUBUSAT 2 & FLOCK 4H 18 Collision Probability (Pc) Trend

    CHUBUSAT 2 & FLOCK 4H 18 Collision Probability (Pc) TrendNot Available

    CHUBUSAT 2 & FLOCK 4H 18 Miss Distance (Miss Distance) Trend

    CHUBUSAT 2 & FLOCK 4H 18 Miss Distance (Miss Distance) TrendNot Available

    CHUBUSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CHUBUSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CHUBUSAT 2

    No nearby objects data