Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.11603E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:19:58+0800
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    1 Object 1

    AOE ID 52457
    NORAD ID 52457
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57498
    NORAD ID 57498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3899 STARLINK-30203
    Time of Closest Approach 2026-09-14T06:42:53+0000
    Collision Probability (Pc) 3.11603E-4
    Conjunction Distance (km) 0.345 km
    Relative Speed (km/s) 8.185 km/s
    Conjunction Risk Parameters R (Radial): -0.322 | I (In-track): 0.107 | C (Cross-track): -0.061
    Collision Risk Index (CRI) 0.85
    X Position (km) -500.831 -500.688
    Position Y (km) -5457.766 -5457.535
    Position Z (km) -4131.956 -4131.743
    Velocity X (km/s) 5.42 7.118
    Velocity Y (km/s) -3.536 1.195
    Velocity Z (km/s) 4.018 -2.441

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3899 STARLINK-30203
    Semimajor Axis (a) 6859.223 km 6861.189 km
    Eccentricity (e) 0.000146 0.000188
    Inclination (i) 53.1592° 43.0061°
    RAAN 313.2124° 48.3835°
    Perigee Argument 85.2784° 269.7819°
    Mean Anomaly (M) 107.0648° 90.2818°
    Apogee 482.089 km 484.342 km
    Perigee 480.083 km 481.762 km
    Orbit Epoch 2026-09-11T06:00:02+0000 2026-09-11T03:54:17+0000

    STARLINK-3899 & STARLINK-30203 Collision Probability (Pc) Trend

    STARLINK-3899 & STARLINK-30203 Collision Probability (Pc) TrendNot Available

    STARLINK-3899 & STARLINK-30203 Miss Distance (Miss Distance) Trend

    STARLINK-3899 & STARLINK-30203 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3899Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30203Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3899Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30203Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3899

    No nearby objects data