Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.28846E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T17:49:46+0800
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    1 Object 1

    AOE ID 60479
    NORAD ID 60479
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68810
    NORAD ID 68810
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TOMORROW-S1 STARLINK-37447
    Time of Closest Approach 2026-09-13T11:33:48+0000
    Collision Probability (Pc) 1.28846E-6
    Conjunction Distance (km) 2.96 km
    Relative Speed (km/s) 13.439 km/s
    Conjunction Risk Parameters R (Radial): 2.734 | I (In-track): 0.524 | C (Cross-track): -1.004
    Collision Risk Index (CRI) 0.37
    X Position (km) -1177.804 -1177.407
    Position Y (km) 1435.879 1437.181
    Position Z (km) -6592.986 -6595.614
    Velocity X (km/s) 6.885 -1.349
    Velocity Y (km/s) -2.707 7.27
    Velocity Z (km/s) -1.819 1.826

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S1 STARLINK-37447
    Semimajor Axis (a) 6842.626 km 6843.669 km
    Eccentricity (e) 0.000114 0.000228
    Inclination (i) 97.3704° 97.2847°
    RAAN 335.4349° 101.8805°
    Perigee Argument 323.0797° 72.0658°
    Mean Anomaly (M) 37.0367° 288.0833°
    Apogee 465.271 km 467.096 km
    Perigee 463.707 km 463.968 km
    Orbit Epoch 2026-09-12T04:42:04+0000 2026-09-13T00:55:55+0000

    TOMORROW-S1 & STARLINK-37447 Collision Probability (Pc) Trend

    TOMORROW-S1 & STARLINK-37447 Collision Probability (Pc) TrendNot Available

    TOMORROW-S1 & STARLINK-37447 Miss Distance (Miss Distance) Trend

    TOMORROW-S1 & STARLINK-37447 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37447Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37447Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S1

    No nearby objects data