Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.542449E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:57:17+0800
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    1 Object 1

    AOE ID 53857
    NORAD ID 53857
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68314
    NORAD ID 68314
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4809 STARLINK-37155
    Time of Closest Approach 2026-09-13T03:33:37+0000
    Collision Probability (Pc) 1.542449E-6
    Conjunction Distance (km) 2.639 km
    Relative Speed (km/s) 13.886 km/s
    Conjunction Risk Parameters R (Radial): -2.627 | I (In-track): 0.094 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.39
    X Position (km) -4147.36 -4145.763
    Position Y (km) -2324.157 -2323.48
    Position Z (km) 4920.516 4918.528
    Velocity X (km/s) 5.643 -5.396
    Velocity Y (km/s) -4.391 -1.427
    Velocity Z (km/s) 2.675 -5.209

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4809 STARLINK-37155
    Semimajor Axis (a) 6848.838 km 6843.656 km
    Eccentricity (e) 0.000129 0.000047
    Inclination (i) 53.1592° 97.2860°
    RAAN 167.5437° 19.8340°
    Perigee Argument 103.6384° 70.4776°
    Mean Anomaly (M) 256.4761° 289.6517°
    Apogee 471.582 km 465.842 km
    Perigee 469.820 km 465.196 km
    Orbit Epoch 2026-09-11T04:18:10+0000 2026-09-11T07:07:49+0000

    STARLINK-4809 & STARLINK-37155 Collision Probability (Pc) Trend

    STARLINK-4809 & STARLINK-37155 Collision Probability (Pc) TrendNot Available

    STARLINK-4809 & STARLINK-37155 Miss Distance (Miss Distance) Trend

    STARLINK-4809 & STARLINK-37155 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4809Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37155Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4809Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37155Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4809

    No nearby objects data