Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.000807E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:42:54+0800
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    1 Object 1

    AOE ID 53255
    NORAD ID 53255
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58123
    NORAD ID 58123
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4142 STARLINK-30781
    Time of Closest Approach 2026-09-06T09:31:00+0000
    Collision Probability (Pc) 1.000807E-6
    Conjunction Distance (km) 2.896 km
    Relative Speed (km/s) 8.21 km/s
    Conjunction Risk Parameters R (Radial): 2.782 | I (In-track): -0.673 | C (Cross-track): 0.438
    Collision Risk Index (CRI) 0.35
    X Position (km) -2259.163 -2257.557
    Position Y (km) -4993.43 -4991.802
    Position Z (km) 4123.836 4122.06
    Velocity X (km/s) 3.962 7.124
    Velocity Y (km/s) -5.126 -1.193
    Velocity Z (km/s) -4.023 2.452

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4142 STARLINK-30781
    Semimajor Axis (a) 6864.362 km 6861.224 km
    Eccentricity (e) 0.000153 0.000147
    Inclination (i) 53.1607° 43.0010°
    RAAN 110.9956° 205.9252°
    Perigee Argument 75.7681° 269.0052°
    Mean Anomaly (M) 284.3488° 91.0632°
    Apogee 487.275 km 484.095 km
    Perigee 485.175 km 482.079 km
    Orbit Epoch 2026-09-04T00:22:37+0000 2026-09-03T21:36:52+0000

    STARLINK-4142 & STARLINK-30781 Collision Probability (Pc) Trend

    STARLINK-4142 & STARLINK-30781 Collision Probability (Pc) TrendNot Available

    STARLINK-4142 & STARLINK-30781 Miss Distance (Miss Distance) Trend

    STARLINK-4142 & STARLINK-30781 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4142Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4142Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4142

    No nearby objects data