Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.282473E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:30:55+0800
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    1 Object 1

    AOE ID 53859
    NORAD ID 53859
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69690
    NORAD ID 69690
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4790 STARLINK-37940
    Time of Closest Approach 2026-09-05T21:37:55+0000
    Collision Probability (Pc) 1.282473E-6
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 11.633 km/s
    Conjunction Risk Parameters R (Radial): -2.78 | I (In-track): 0.126 | C (Cross-track): -0.136
    Collision Risk Index (CRI) 0.37
    X Position (km) 1104.82 1104.515
    Position Y (km) -3957.579 -3956.048
    Position Z (km) 5469.435 5467.126
    Velocity X (km/s) 7.428 0.053
    Velocity Y (km/s) 1.749 -6.185
    Velocity Z (km/s) -0.234 -4.475

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4790 STARLINK-37940
    Semimajor Axis (a) 6848.881 km 6843.672 km
    Eccentricity (e) 0.000125 0.000137
    Inclination (i) 53.1600° 97.2856°
    RAAN 198.0896° 93.9710°
    Perigee Argument 92.4208° 75.1062°
    Mean Anomaly (M) 267.6936° 285.0332°
    Apogee 471.601 km 466.471 km
    Perigee 469.887 km 464.599 km
    Orbit Epoch 2026-09-04T13:54:41+0000 2026-09-04T01:14:00+0000

    STARLINK-4790 & STARLINK-37940 Collision Probability (Pc) Trend

    STARLINK-4790 & STARLINK-37940 Collision Probability (Pc) TrendNot Available

    STARLINK-4790 & STARLINK-37940 Miss Distance (Miss Distance) Trend

    STARLINK-4790 & STARLINK-37940 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4790Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4790Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4790

    No nearby objects data