Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.696268E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:52:10+0800
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    1 Object 1

    AOE ID 53528
    NORAD ID 53528
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56327
    NORAD ID 56327
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4503 STARLINK-5997
    Time of Closest Approach 2026-09-15T05:10:18+0000
    Collision Probability (Pc) 2.696268E-5
    Conjunction Distance (km) 0.884 km
    Relative Speed (km/s) 8.093 km/s
    Conjunction Risk Parameters R (Radial): 0.617 | I (In-track): -0.536 | C (Cross-track): -0.335
    Collision Risk Index (CRI) 0.64
    X Position (km) -967.558 -967.807
    Position Y (km) -5001.653 -5001.664
    Position Z (km) -4688.133 -4688.981
    Velocity X (km/s) 5.503 -2.242
    Velocity Y (km/s) -4.094 -4.715
    Velocity Z (km/s) 3.235 5.498

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4503 STARLINK-5997
    Semimajor Axis (a) 6917.885 km 6917.942 km
    Eccentricity (e) 0.000127 0.000224
    Inclination (i) 53.1621° 97.2780°
    RAAN 316.3228° 249.5592°
    Perigee Argument 96.2646° 93.8877°
    Mean Anomaly (M) 263.8490° 55.0783°
    Apogee 540.625 km 541.358 km
    Perigee 538.871 km 538.252 km
    Orbit Epoch 2026-09-12T04:17:55+0000 2026-09-12T08:00:02+0000

    STARLINK-4503 & STARLINK-5997 Collision Probability (Pc) Trend

    STARLINK-4503 & STARLINK-5997 Collision Probability (Pc) TrendNot Available

    STARLINK-4503 & STARLINK-5997 Miss Distance (Miss Distance) Trend

    STARLINK-4503 & STARLINK-5997 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5997Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5997Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4503

    No nearby objects data