Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.935098E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T01:34:16+0800
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    1 Object 1

    Name USA 15
    AOE ID 16591
    NORAD ID 16591
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 45087
    NORAD ID 45087
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 15 STARLINK-1185
    Time of Closest Approach 2026-10-13T06:26:09+0000
    Collision Probability (Pc) 6.935098E-7
    Conjunction Distance (km) 2.366 km
    Relative Speed (km/s) 2.368 km/s
    Conjunction Risk Parameters R (Radial): 1.448 | I (In-track): -1.829 | C (Cross-track): -0.389
    Collision Risk Index (CRI) 0.32
    X Position (km) 2502.342 2503.696
    Position Y (km) 4238.105 4237.575
    Position Z (km) 4627.602 4629.468
    Velocity X (km/s) -1.986 -3.925
    Velocity Y (km/s) 6.241 5.795
    Velocity Z (km/s) -4.452 -3.169

    Orbital Parameters 国际轨道数据源

    Parameter USA 15 STARLINK-1185
    Semimajor Axis (a) 7211.654 km 6764.379 km
    Eccentricity (e) 0.064441 0.000494
    Inclination (i) 63.3049° 53.1512°
    RAAN 270.6440° 289.0643°
    Perigee Argument 115.1031° 49.4357°
    Mean Anomaly (M) 251.8309° 310.7085°
    Apogee 1298.246 km 389.581 km
    Perigee 368.788 km 382.903 km
    Orbit Epoch 2026-10-12T06:09:51+0000 2026-10-12T06:51:52+0000

    USA 15 & STARLINK-1185 Collision Probability (Pc) Trend

    USA 15 & STARLINK-1185 Collision Probability (Pc) TrendNot Available

    USA 15 & STARLINK-1185 Miss Distance (Miss Distance) Trend

    USA 15 & STARLINK-1185 Miss Distance (Miss Distance) TrendNot Available

    USA 15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1185Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 15Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1185Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 15

    No nearby objects data