Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.297221E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:06:20+0800
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    1 Object 1

    AOE ID 53397
    NORAD ID 53397
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54200
    NORAD ID 54200
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4515 STARLINK-5250
    Time of Closest Approach 2026-09-07T13:47:11+0000
    Collision Probability (Pc) 1.297221E-6
    Conjunction Distance (km) 2.729 km
    Relative Speed (km/s) 11.263 km/s
    Conjunction Risk Parameters R (Radial): 0.188 | I (In-track): 1.835 | C (Cross-track): 2.012
    Collision Risk Index (CRI) 0.37
    X Position (km) 4244.833 4246.661
    Position Y (km) 4326.889 4324.865
    Position Z (km) 3157.238 3157.144
    Velocity X (km/s) -5.513 -1.857
    Velocity Y (km/s) 1.755 5.48
    Velocity Z (km/s) 4.99 -4.99

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4515 STARLINK-5250
    Semimajor Axis (a) 6837.838 km 6837.846 km
    Eccentricity (e) 0.000110 0.000109
    Inclination (i) 53.1598° 53.1597°
    RAAN 34.6181° 261.7400°
    Perigee Argument 77.8658° 75.8162°
    Mean Anomaly (M) 119.8949° 284.2962°
    Apogee 460.454 km 460.457 km
    Perigee 458.948 km 458.961 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T17:59:02+0000

    STARLINK-4515 & STARLINK-5250 Collision Probability (Pc) Trend

    STARLINK-4515 & STARLINK-5250 Collision Probability (Pc) TrendNot Available

    STARLINK-4515 & STARLINK-5250 Miss Distance (Miss Distance) Trend

    STARLINK-4515 & STARLINK-5250 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5250Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5250Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4515

    No nearby objects data