Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.239863E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T17:59:53+0800
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    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 2026-10-16T10:03:57+0000
    Collision Probability (Pc) 5.239863E-7
    Conjunction Distance (km) 1.716 km
    Relative Speed (km/s) 0.002 km/s
    Conjunction Risk Parameters R (Radial): -0.45 | I (In-track): 0.289 | C (Cross-track): -1.629
    Collision Risk Index (CRI) 0.29
    X Position (km) 27096.314 27096.247
    Position Y (km) -32306.551 -32306.021
    Position Z (km) 20.906 19.276
    Velocity X (km/s) 2.356 2.357
    Velocity Y (km/s) 1.976 1.975
    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 42164.868 km
    Eccentricity (e) 0.000016 0.000430
    Inclination (i) 0.0144° 0.0103°
    RAAN 236.4413° 213.4695°
    Perigee Argument 225.0739° 5.2565°
    Mean Anomaly (M) 223.5813° 157.7781°
    Apogee 35787.651 km 35804.867 km
    Perigee 35786.317 km 35768.595 km
    Orbit Epoch 2026-10-14T11:11:56+0000 2026-10-14T14:37:14+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