Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.135655E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:46:48+0800
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    1 Object 1

    AOE ID 51983
    NORAD ID 51983
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53655
    NORAD ID 53655
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3655 STARLINK-4470
    Time of Closest Approach 2026-09-05T14:01:15+0000
    Collision Probability (Pc) 2.135655E-5
    Conjunction Distance (km) 1.071 km
    Relative Speed (km/s) 14.722 km/s
    Conjunction Risk Parameters R (Radial): -0.962 | I (In-track): 0.129 | C (Cross-track): -0.45
    Collision Risk Index (CRI) 0.62
    X Position (km) 4924.042 4923.673
    Position Y (km) -4261.601 -4260.712
    Position Z (km) 2074.419 2073.952
    Velocity X (km/s) 1.776 1.058
    Velocity Y (km/s) 4.82 -2.304
    Velocity Z (km/s) 5.657 -7.207

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3655 STARLINK-4470
    Semimajor Axis (a) 6837.150 km 6833.238 km
    Eccentricity (e) 0.000144 0.000200
    Inclination (i) 53.1590° 97.5289°
    RAAN 313.5593° 134.2843°
    Perigee Argument 60.9156° 89.8284°
    Mean Anomaly (M) 299.1991° 270.3190°
    Apogee 459.997 km 456.470 km
    Perigee 458.029 km 453.732 km
    Orbit Epoch 2026-09-03T19:45:07+0000 2026-09-03T05:04:02+0000

    STARLINK-3655 & STARLINK-4470 Collision Probability (Pc) Trend

    STARLINK-3655 & STARLINK-4470 Collision Probability (Pc) TrendNot Available

    STARLINK-3655 & STARLINK-4470 Miss Distance (Miss Distance) Trend

    STARLINK-3655 & STARLINK-4470 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3655Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4470Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3655Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4470Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3655

    No nearby objects data