Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.783969E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T23:10:13+0800
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    1 Object 1

    AOE ID 53733
    NORAD ID 53733
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69233
    NORAD ID 69233
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4574 STARLINK-37739
    Time of Closest Approach 2026-09-14T12:44:24+0000
    Collision Probability (Pc) 1.783969E-6
    Conjunction Distance (km) 2.467 km
    Relative Speed (km/s) 14.599 km/s
    Conjunction Risk Parameters R (Radial): -2.282 | I (In-track): -0.259 | C (Cross-track): -0.899
    Collision Risk Index (CRI) 0.4
    X Position (km) -18.409 -19.269
    Position Y (km) 6150.813 6152.691
    Position Z (km) -3009.237 -3010.585
    Velocity X (km/s) -5.099 1.086
    Velocity Y (km/s) 2.478 -3.31
    Velocity Z (km/s) 5.105 -6.784

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4574 STARLINK-37739
    Semimajor Axis (a) 6843.365 km 6843.666 km
    Eccentricity (e) 0.000128 0.000158
    Inclination (i) 53.1599° 97.2832°
    RAAN 123.8354° 271.2869°
    Perigee Argument 91.0098° 96.3574°
    Mean Anomaly (M) 269.1051° 263.7848°
    Apogee 466.107 km 466.607 km
    Perigee 464.349 km 464.451 km
    Orbit Epoch 2026-09-11T22:19:13+0000 2026-09-12T00:19:58+0000

    STARLINK-4574 & STARLINK-37739 Collision Probability (Pc) Trend

    STARLINK-4574 & STARLINK-37739 Collision Probability (Pc) TrendNot Available

    STARLINK-4574 & STARLINK-37739 Miss Distance (Miss Distance) Trend

    STARLINK-4574 & STARLINK-37739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4574Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4574Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4574

    No nearby objects data