Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.355032E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:50:50+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 64535
    NORAD ID 64535
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CHUBUSAT 2 UND ROADS 1
    Time of Closest Approach 2026-10-23T02:41:15+0000
    Collision Probability (Pc) 1.355032E-6
    Conjunction Distance (km) 2.845 km
    Relative Speed (km/s) 13.433 km/s
    Conjunction Risk Parameters R (Radial): 0.263 | I (In-track): 1.34 | C (Cross-track): 2.496
    Collision Risk Index (CRI) 0.38
    X Position (km) 3957.916 3956.536
    Position Y (km) 5230.606 5232.589
    Position Z (km) -2071.251 -2069.751
    Velocity X (km/s) -6.067 2.191
    Velocity Y (km/s) 3.326 1.176
    Velocity Z (km/s) -3.181 7.194

    Orbital Parameters 国际轨道数据源

    Parameter CHUBUSAT 2 UND ROADS 1
    Semimajor Axis (a) 6877.998 km 6872.787 km
    Eccentricity (e) 0.000866 0.000579
    Inclination (i) 30.9968° 97.4782°
    RAAN 220.8078° 46.9989°
    Perigee Argument 277.0970° 100.9626°
    Mean Anomaly (M) 82.8687° 259.2262°
    Apogee 505.819 km 498.627 km
    Perigee 493.903 km 490.673 km
    Orbit Epoch 2026-10-20T02:55:01+0000 2026-10-19T13:39:23+0000

    CHUBUSAT 2 & UND ROADS 1 Collision Probability (Pc) Trend

    CHUBUSAT 2 & UND ROADS 1 Collision Probability (Pc) TrendNot Available

    CHUBUSAT 2 & UND ROADS 1 Miss Distance (Miss Distance) Trend

    CHUBUSAT 2 & UND ROADS 1 Miss Distance (Miss Distance) TrendNot Available

    CHUBUSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UND ROADS 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CHUBUSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    UND ROADS 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CHUBUSAT 2

    No nearby objects data