Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.298806E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T15:47:41+0800
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    1 Object 1

    AOE ID 55386
    NORAD ID 55386
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66522
    NORAD ID 66522
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5555 STARLINK-35946
    Time of Closest Approach 2026-09-17T16:54:14+0000
    Collision Probability (Pc) 9.298806E-7
    Conjunction Distance (km) 2.264 km
    Relative Speed (km/s) 3.579 km/s
    Conjunction Risk Parameters R (Radial): 1.009 | I (In-track): -1.968 | C (Cross-track): 0.48
    Collision Risk Index (CRI) 0.34
    X Position (km) 4715.365 4716.877
    Position Y (km) 2091.95 2090.404
    Position Z (km) 4515.148 4515.816
    Velocity X (km/s) -4.084 -1.925
    Velocity Y (km/s) 6.3 7.255
    Velocity Z (km/s) 1.344 -1.345

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5555 STARLINK-35946
    Semimajor Axis (a) 6861.154 km 6861.090 km
    Eccentricity (e) 0.000163 0.000333
    Inclination (i) 43.0034° 43.0070°
    RAAN 331.0836° 290.1552°
    Perigee Argument 272.8567° 266.7437°
    Mean Anomaly (M) 87.2099° 93.3034°
    Apogee 484.135 km 485.236 km
    Perigee 481.899 km 480.670 km
    Orbit Epoch 2026-09-14T16:23:30+0000 2026-09-14T19:24:11+0000

    STARLINK-5555 & STARLINK-35946 Collision Probability (Pc) Trend

    STARLINK-5555 & STARLINK-35946 Collision Probability (Pc) TrendNot Available

    STARLINK-5555 & STARLINK-35946 Miss Distance (Miss Distance) Trend

    STARLINK-5555 & STARLINK-35946 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35946Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35946Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5555

    No nearby objects data