Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.392407E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:02:26+0800
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    1 Object 1

    AOE ID 53168
    NORAD ID 53168
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58999
    NORAD ID 58999
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4105 STARLINK-31440
    Time of Closest Approach 2026-09-13T17:31:38+0000
    Collision Probability (Pc) 1.392407E-6
    Conjunction Distance (km) 2.51 km
    Relative Speed (km/s) 10.119 km/s
    Conjunction Risk Parameters R (Radial): 2.502 | I (In-track): 0.158 | C (Cross-track): -0.13
    Collision Risk Index (CRI) 0.38
    X Position (km) -1940.24 -1939.72
    Position Y (km) -5132.545 -5130.594
    Position Z (km) -4097.482 -4095.991
    Velocity X (km/s) 6.408 4.27
    Velocity Y (km/s) 0.811 -4.848
    Velocity Z (km/s) -4.055 4.055

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4105 STARLINK-31440
    Semimajor Axis (a) 6843.344 km 6840.842 km
    Eccentricity (e) 0.000105 0.000111
    Inclination (i) 53.1623° 53.1584°
    RAAN 49.1378° 294.8715°
    Perigee Argument 80.1238° 86.2239°
    Mean Anomaly (M) 279.9883° 273.8891°
    Apogee 465.927 km 463.466 km
    Perigee 464.487 km 461.944 km
    Orbit Epoch 2026-09-10T18:09:02+0000 2026-09-11T06:20:03+0000

    STARLINK-4105 & STARLINK-31440 Collision Probability (Pc) Trend

    STARLINK-4105 & STARLINK-31440 Collision Probability (Pc) TrendNot Available

    STARLINK-4105 & STARLINK-31440 Miss Distance (Miss Distance) Trend

    STARLINK-4105 & STARLINK-31440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4105Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4105Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4105

    No nearby objects data