Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.445391E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T20:57:31+0800
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    1 Object 1

    Name NOAA 17
    AOE ID 27453
    NORAD ID 27453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 29048
    NORAD ID 29048
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter NOAA 17 FORMOSAT 3B
    Time of Closest Approach 2026-10-24T23:05:55+0000
    Collision Probability (Pc) 2.445391E-6
    Conjunction Distance (km) 1.766 km
    Relative Speed (km/s) 6.825 km/s
    Conjunction Risk Parameters R (Radial): -0.501 | I (In-track): -1.505 | C (Cross-track): 0.774
    Collision Risk Index (CRI) 0.43
    X Position (km) -677.392 -677.988
    Position Y (km) 3625.227 3626.833
    Position Z (km) 6163.598 6163.172
    Velocity X (km/s) 1.082 -5.345
    Velocity Y (km/s) 6.407 4.192
    Velocity Z (km/s) -3.635 -3.026

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 FORMOSAT 3B
    Semimajor Axis (a) 7182.337 km 7164.968 km
    Eccentricity (e) 0.001134 0.004314
    Inclination (i) 98.8845° 71.9655°
    RAAN 264.7659° 316.9008°
    Perigee Argument 342.8808° 335.9589°
    Mean Anomaly (M) 17.1988° 23.9533°
    Apogee 812.345 km 817.745 km
    Perigee 796.055 km 755.917 km
    Orbit Epoch 2026-10-24T07:23:14+0000 2026-10-23T07:59:13+0000

    NOAA 17 & FORMOSAT 3B Collision Probability (Pc) Trend

    NOAA 17 & FORMOSAT 3B Collision Probability (Pc) TrendNot Available

    NOAA 17 & FORMOSAT 3B Miss Distance (Miss Distance) Trend

    NOAA 17 & FORMOSAT 3B Miss Distance (Miss Distance) TrendNot Available

    NOAA 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FORMOSAT 3BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    FORMOSAT 3BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17

    No nearby objects data