Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.776575E-6
    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 40086
    NORAD ID 40086
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter AMSAT ECHO ORBCOMM FM 109
    Time of Closest Approach 2026-11-01T08:38:55+0000
    Collision Probability (Pc) 1.776575E-6
    Conjunction Distance (km) 2.345 km
    Relative Speed (km/s) 12.316 km/s
    Conjunction Risk Parameters R (Radial): 2.237 | I (In-track): -0.39 | C (Cross-track): 0.583
    Collision Risk Index (CRI) 0.4
    X Position (km) -622.5 -623.223
    Position Y (km) -4816.916 -4818.746
    Position Z (km) 5130.684 5131.959
    Velocity X (km/s) -0.955 7.306
    Velocity Y (km/s) 5.53 -1.627
    Velocity Z (km/s) 5.036 -0.64

    Orbital Parameters 国际轨道数据源

    Parameter AMSAT ECHO ORBCOMM FM 109
    Semimajor Axis (a) 7123.685 km 7074.679 km
    Eccentricity (e) 0.008116 0.000099
    Inclination (i) 98.6816° 47.0009°
    RAAN 269.1590° 178.5144°
    Perigee Argument 74.9303° 114.1459°
    Mean Anomaly (M) 286.0849° 245.9530°
    Apogee 803.364 km 697.242 km
    Perigee 687.732 km 695.842 km
    Orbit Epoch 2026-10-29T15:34:21+0000 2026-10-29T01:18:58+0000

    AMSAT ECHO & ORBCOMM FM 109 Collision Probability (Pc) Trend

    AMSAT ECHO & ORBCOMM FM 109 Collision Probability (Pc) TrendNot Available

    AMSAT ECHO & ORBCOMM FM 109 Miss Distance (Miss Distance) Trend

    AMSAT ECHO & ORBCOMM FM 109 Miss Distance (Miss Distance) TrendNot Available

    AMSAT ECHOMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AMSAT ECHOCollision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AMSAT ECHO

    No nearby objects data