Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.695919E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:06:17+0800
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    1 Object 1

    AOE ID 54850
    NORAD ID 54850
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66496
    NORAD ID 66496
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5087 STARLINK-35909
    Time of Closest Approach 2026-09-15T01:21:47+0000
    Collision Probability (Pc) 2.695919E-4
    Conjunction Distance (km) 0.389 km
    Relative Speed (km/s) 9.451 km/s
    Conjunction Risk Parameters R (Radial): 0.108 | I (In-track): -0.294 | C (Cross-track): 0.229
    Collision Risk Index (CRI) 0.84
    X Position (km) -5866.26 -5866.205
    Position Y (km) 2529.127 2529.51
    Position Z (km) 2494.717 2494.754
    Velocity X (km/s) -0.788 -3.954
    Velocity Y (km/s) -6.181 -4.815
    Velocity Z (km/s) 4.4 -4.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5087 STARLINK-35909
    Semimajor Axis (a) 6861.195 km 6861.158 km
    Eccentricity (e) 0.000141 0.000140
    Inclination (i) 43.0025° 43.0017°
    RAAN 148.9302° 20.4421°
    Perigee Argument 266.8113° 273.8673°
    Mean Anomaly (M) 93.2578° 86.2018°
    Apogee 484.023 km 483.981 km
    Perigee 482.093 km 482.061 km
    Orbit Epoch 2026-09-12T01:02:11+0000 2026-09-11T16:41:28+0000

    STARLINK-5087 & STARLINK-35909 Collision Probability (Pc) Trend

    STARLINK-5087 & STARLINK-35909 Collision Probability (Pc) TrendNot Available

    STARLINK-5087 & STARLINK-35909 Miss Distance (Miss Distance) Trend

    STARLINK-5087 & STARLINK-35909 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5087Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5087Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5087

    No nearby objects data