Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.241191E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:56:54+0800
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    1 Object 1

    AOE ID 28375
    NORAD ID 28375
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 41406
    NORAD ID 41406
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter AMSAT ECHO NOAA 16 DEB
    Time of Closest Approach 2026-10-31T14:35:49+0000
    Collision Probability (Pc) 6.241191E-5
    Conjunction Distance (km) 0.735 km
    Relative Speed (km/s) 11.482 km/s
    Conjunction Risk Parameters R (Radial): 0.717 | I (In-track): -0.096 | C (Cross-track): 0.13
    Collision Risk Index (CRI) 0.71
    X Position (km) -1075.168 -1075.405
    Position Y (km) 1287.13 1287.163
    Position Z (km) 6865.181 6865.875
    Velocity X (km/s) 0.056 7.305
    Velocity Y (km/s) 7.413 -1.068
    Velocity Z (km/s) -1.346 1.365

    Orbital Parameters 国际轨道数据源

    Parameter AMSAT ECHO NOAA 16 DEB
    Semimajor Axis (a) 7123.685 km 7075.798 km
    Eccentricity (e) 0.008116 0.003018
    Inclination (i) 98.6816° 98.9431°
    RAAN 269.1590° 166.7515°
    Perigee Argument 74.9303° 0.5115°
    Mean Anomaly (M) 286.0849° 359.6108°
    Apogee 803.364 km 719.013 km
    Perigee 687.732 km 676.309 km
    Orbit Epoch 2026-10-29T15:34:21+0000 2026-10-28T13:47:47+0000

    AMSAT ECHO & NOAA 16 DEB Collision Probability (Pc) Trend

    AMSAT ECHO & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    AMSAT ECHO & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    AMSAT ECHO & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    AMSAT ECHOMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AMSAT ECHOCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AMSAT ECHO

    No nearby objects data