Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.230176E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T20:56:09+0800
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    1 Object 1

    AOE ID 51739
    NORAD ID 51739
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53293
    NORAD ID 53293
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3516 STARLINK-4148
    Time of Closest Approach 2026-09-07T13:08:11+0000
    Collision Probability (Pc) 1.230176E-6
    Conjunction Distance (km) 2.876 km
    Relative Speed (km/s) 11.64 km/s
    Conjunction Risk Parameters R (Radial): -2.865 | I (In-track): -0.146 | C (Cross-track): -0.189
    Collision Risk Index (CRI) 0.37
    X Position (km) -4225.48 -4227.071
    Position Y (km) -4706.871 -4709.001
    Position Z (km) 2590.258 2591.354
    Velocity X (km/s) 5.162 2.204
    Velocity Y (km/s) -1.659 -4.952
    Velocity Z (km/s) 5.383 -5.382

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3516 STARLINK-4148
    Semimajor Axis (a) 6837.875 km 6840.915 km
    Eccentricity (e) 0.000113 0.000113
    Inclination (i) 53.1581° 53.1602°
    RAAN 216.0204° 68.5311°
    Perigee Argument 85.9944° 103.9127°
    Mean Anomaly (M) 274.1189° 256.2002°
    Apogee 460.514 km 463.555 km
    Perigee 458.962 km 462.001 km
    Orbit Epoch 2026-09-06T07:19:53+0000 2026-09-06T23:58:20+0000

    STARLINK-3516 & STARLINK-4148 Collision Probability (Pc) Trend

    STARLINK-3516 & STARLINK-4148 Collision Probability (Pc) TrendNot Available

    STARLINK-3516 & STARLINK-4148 Miss Distance (Miss Distance) Trend

    STARLINK-3516 & STARLINK-4148 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3516

    No nearby objects data