Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.583597E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T08:37:26+0800
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    1 Object 1

    AOE ID 48330
    NORAD ID 48330
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53664
    NORAD ID 53664
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2501 STARLINK-4471
    Time of Closest Approach 2026-09-17T13:45:07+0000
    Collision Probability (Pc) 1.583597E-6
    Conjunction Distance (km) 2.628 km
    Relative Speed (km/s) 14.349 km/s
    Conjunction Risk Parameters R (Radial): 2.557 | I (In-track): 0.196 | C (Cross-track): -0.572
    Collision Risk Index (CRI) 0.39
    X Position (km) -4365.232 -4363.145
    Position Y (km) 3298.427 3297.52
    Position Z (km) -4127.185 -4125.872
    Velocity X (km/s) -1.036 -2.884
    Velocity Y (km/s) -6.394 3.697
    Velocity Z (km/s) -4.02 6.011

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2501 STARLINK-4471
    Semimajor Axis (a) 6848.870 km 6843.698 km
    Eccentricity (e) 0.000137 0.000173
    Inclination (i) 53.1580° 97.2838°
    RAAN 303.5656° 135.4594°
    Perigee Argument 112.1693° 90.8872°
    Mean Anomaly (M) 247.9454° 269.2570°
    Apogee 471.671 km 466.748 km
    Perigee 469.795 km 464.374 km
    Orbit Epoch 2026-09-14T08:01:24+0000 2026-09-15T14:55:51+0000

    STARLINK-2501 & STARLINK-4471 Collision Probability (Pc) Trend

    STARLINK-2501 & STARLINK-4471 Collision Probability (Pc) TrendNot Available

    STARLINK-2501 & STARLINK-4471 Miss Distance (Miss Distance) Trend

    STARLINK-2501 & STARLINK-4471 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2501Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4471Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2501Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4471Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2501

    No nearby objects data