Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.459151E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-10T15:00:02+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 43450
    NORAD ID 43450
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter USA 283 APSTAR 6C
    Time of Closest Approach 2026-10-11T11:14:06+0000
    Collision Probability (Pc) 2.459151E-7
    Conjunction Distance (km) 2.683 km
    Relative Speed (km/s) 0.004 km/s
    Conjunction Risk Parameters R (Radial): 2.608 | I (In-track): 0.131 | C (Cross-track): -0.616
    Collision Risk Index (CRI) 0.23
    X Position (km) 33505.196 33503.044
    Position Y (km) -25599.264 -25597.785
    Position Z (km) 26.698 27.314
    Velocity X (km/s) 1.867 1.867
    Velocity Y (km/s) 2.443 2.443
    Velocity Z (km/s) -0.001 0.002

    Orbital Parameters 国际轨道数据源

    Parameter USA 283 APSTAR 6C
    Semimajor Axis (a) 42165.597 km 42164.027 km
    Eccentricity (e) 0.000017 0.000205
    Inclination (i) 0.0191° 0.0531°
    RAAN 196.2961° 302.5281°
    Perigee Argument 214.6773° 296.3416°
    Mean Anomaly (M) 315.0078° 213.7299°
    Apogee 35788.177 km 35794.534 km
    Perigee 35786.743 km 35777.246 km
    Orbit Epoch 2026-10-08T14:18:39+0000 2026-10-09T20:00:33+0000

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

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

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

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

    USA 283Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    APSTAR 6CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 283Collision Probability Trend

    Object 1 Probability TrendNot Available

    APSTAR 6CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 283

    No nearby objects data