Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.047949E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T20:19:32+0800
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    1 Object 1

    AOE ID 64549
    NORAD ID 64549
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66788
    NORAD ID 66788
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter UND ROADS 2 FOSSASAT2E23
    Time of Closest Approach 2026-10-22T17:33:25+0000
    Collision Probability (Pc) 8.047949E-7
    Conjunction Distance (km) 2.926 km
    Relative Speed (km/s) 5.655 km/s
    Conjunction Risk Parameters R (Radial): 2.916 | I (In-track): -0.222 | C (Cross-track): 0.095
    Collision Risk Index (CRI) 0.33
    X Position (km) 487.125 487.545
    Position Y (km) -825.819 -826.054
    Position Z (km) 6792.292 6795.177
    Velocity X (km/s) -4.749 -7.531
    Velocity Y (km/s) -5.948 -1.089
    Velocity Z (km/s) -0.381 0.41

    Orbital Parameters 国际轨道数据源

    Parameter UND ROADS 2 FOSSASAT2E23
    Semimajor Axis (a) 6868.320 km 6873.472 km
    Eccentricity (e) 0.000221 0.000630
    Inclination (i) 97.4904° 97.4133°
    RAAN 50.8989° 7.2937°
    Perigee Argument 58.4106° 51.3842°
    Mean Anomaly (M) 301.7347° 308.7958°
    Apogee 491.700 km 499.669 km
    Perigee 488.666 km 491.001 km
    Orbit Epoch 2026-10-21T20:40:56+0000 2026-10-22T04:34:01+0000

    UND ROADS 2 & FOSSASAT2E23 Collision Probability (Pc) Trend

    UND ROADS 2 & FOSSASAT2E23 Collision Probability (Pc) TrendNot Available

    UND ROADS 2 & FOSSASAT2E23 Miss Distance (Miss Distance) Trend

    UND ROADS 2 & FOSSASAT2E23 Miss Distance (Miss Distance) TrendNot Available

    UND ROADS 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FOSSASAT2E23Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UND ROADS 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    FOSSASAT2E23Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UND ROADS 2

    No nearby objects data