Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.988857E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T10:30:48+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name USA 283
    AOE ID 43339
    NORAD ID 43339
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55239
    NORAD ID 55239
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter USA 283 APSTAR 6E
    Time of Closest Approach 2026-10-16T10:03:07+0000
    Collision Probability (Pc) 5.988857E-7
    Conjunction Distance (km) 1.622 km
    Relative Speed (km/s) 0.002 km/s
    Conjunction Risk Parameters R (Radial): 0.411 | I (In-track): 0.059 | C (Cross-track): 1.568
    Collision Risk Index (CRI) 0.31
    X Position (km) 26979.238 26978.931
    Position Y (km) -32404.387 -32404.109
    Position Z (km) 20.89 19.322
    Velocity X (km/s) 2.363 2.364
    Velocity Y (km/s) 1.967 1.966
    Velocity Z (km/s) 0 0

    Orbital Parameters 国际轨道数据源

    Parameter USA 283 APSTAR 6E
    Semimajor Axis (a) 42165.121 km 42164.840 km
    Eccentricity (e) 0.000016 0.000429
    Inclination (i) 0.0144° 0.0109°
    RAAN 236.4413° 214.1039°
    Perigee Argument 225.0739° 4.3014°
    Mean Anomaly (M) 223.5813° 29.4512°
    Apogee 35787.651 km 35804.796 km
    Perigee 35786.317 km 35768.610 km
    Orbit Epoch 2026-10-14T11:11:56+0000 2026-10-14T06:04:02+0000

    USA 283 & APSTAR 6E Collision Probability (Pc) Trend

    USA 283 & APSTAR 6E Collision Probability (Pc) TrendNot Available

    USA 283 & APSTAR 6E Miss Distance (Miss Distance) Trend

    USA 283 & APSTAR 6E Miss Distance (Miss Distance) TrendNot Available

    USA 283Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    APSTAR 6EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 283Collision Probability Trend

    Object 1 Probability TrendNot Available

    APSTAR 6ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 283

    No nearby objects data