Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.174039E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:08:42+0800
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    1 Object 1

    AOE ID 52605
    NORAD ID 52605
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53173
    NORAD ID 53173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4000 STARLINK-4300
    Time of Closest Approach 2026-09-12T13:47:12+0000
    Collision Probability (Pc) 1.174039E-6
    Conjunction Distance (km) 2.983 km
    Relative Speed (km/s) 11.608 km/s
    Conjunction Risk Parameters R (Radial): 2.929 | I (In-track): 0.378 | C (Cross-track): -0.425
    Collision Risk Index (CRI) 0.36
    X Position (km) 6233.468 6230.705
    Position Y (km) -1025.654 -1025.775
    Position Z (km) -2634.129 -2633.012
    Velocity X (km/s) -1.395 3.005
    Velocity Y (km/s) 5.252 4.529
    Velocity Z (km/s) -5.358 5.359

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4000 STARLINK-4300
    Semimajor Axis (a) 6840.837 km 6837.889 km
    Eccentricity (e) 0.000128 0.000118
    Inclination (i) 53.1592° 53.1621°
    RAAN 159.0119° 13.4144°
    Perigee Argument 91.5250° 83.9070°
    Mean Anomaly (M) 268.5898° 276.2068°
    Apogee 463.573 km 460.562 km
    Perigee 461.827 km 458.942 km
    Orbit Epoch 2026-09-11T04:03:11+0000 2026-09-11T14:28:40+0000

    STARLINK-4000 & STARLINK-4300 Collision Probability (Pc) Trend

    STARLINK-4000 & STARLINK-4300 Collision Probability (Pc) TrendNot Available

    STARLINK-4000 & STARLINK-4300 Miss Distance (Miss Distance) Trend

    STARLINK-4000 & STARLINK-4300 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4000Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4300Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4000Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4300Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4000

    No nearby objects data