Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.958687E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:00:35+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69141
    NORAD ID 69141
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-37654
    Time of Closest Approach 2026-09-13T16:49:42+0000
    Collision Probability (Pc) 1.958687E-5
    Conjunction Distance (km) 1.09 km
    Relative Speed (km/s) 14.243 km/s
    Conjunction Risk Parameters R (Radial): -0.577 | I (In-track): -0.339 | C (Cross-track): -0.859
    Collision Risk Index (CRI) 0.61
    X Position (km) 891.827 892.613
    Position Y (km) -2233.524 -2232.999
    Position Z (km) 6399.14 6398.597
    Velocity X (km/s) -5.029 -0.081
    Velocity Y (km/s) 5.171 -7.213
    Velocity Z (km/s) 2.5 -2.5

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-37654
    Semimajor Axis (a) 6843.705 km 6843.679 km
    Eccentricity (e) 0.000126 0.000180
    Inclination (i) 97.2838° 97.2837°
    RAAN 309.1426° 88.7854°
    Perigee Argument 95.8957° 87.7600°
    Mean Anomaly (M) 264.2429° 272.3850°
    Apogee 466.429 km 466.778 km
    Perigee 464.707 km 464.306 km
    Orbit Epoch 2026-09-11T03:26:33+0000 2026-09-10T13:10:59+0000

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37654Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37654Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data