Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.233448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:54:32+0800
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    1 Object 1

    AOE ID 53165
    NORAD ID 53165
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54173
    NORAD ID 54173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4090 STARLINK-5242
    Time of Closest Approach 2026-09-05T12:41:42+0000
    Collision Probability (Pc) 1.233448E-6
    Conjunction Distance (km) 2.929 km
    Relative Speed (km/s) 12.178 km/s
    Conjunction Risk Parameters R (Radial): -2.899 | I (In-track): 0.252 | C (Cross-track): -0.326
    Collision Risk Index (CRI) 0.37
    X Position (km) -1318.134 -1319.097
    Position Y (km) -6664.022 -6666.766
    Position Z (km) -797.518 -797.859
    Velocity X (km/s) 4.657 4.383
    Velocity Y (km/s) -0.204 -1.584
    Velocity Z (km/s) -6.049 6.047

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4090 STARLINK-5242
    Semimajor Axis (a) 6837.888 km 6840.870 km
    Eccentricity (e) 0.000117 0.000112
    Inclination (i) 53.1605° 53.1586°
    RAAN 77.0196° 269.3332°
    Perigee Argument 82.2394° 85.1243°
    Mean Anomaly (M) 218.9240° 274.9887°
    Apogee 460.549 km 463.500 km
    Perigee 458.953 km 461.966 km
    Orbit Epoch 2026-09-04T20:00:02+0000 2026-09-04T08:35:35+0000

    STARLINK-4090 & STARLINK-5242 Collision Probability (Pc) Trend

    STARLINK-4090 & STARLINK-5242 Collision Probability (Pc) TrendNot Available

    STARLINK-4090 & STARLINK-5242 Miss Distance (Miss Distance) Trend

    STARLINK-4090 & STARLINK-5242 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4090Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5242Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4090Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5242Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4090

    No nearby objects data