Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.090467E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T17:49:57+0800
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    1 Object 1

    AOE ID 60485
    NORAD ID 60485
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68317
    NORAD ID 68317
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TOMORROW-S2 STARLINK-37139
    Time of Closest Approach 2026-09-14T03:55:17+0000
    Collision Probability (Pc) 8.090467E-7
    Conjunction Distance (km) 2.934 km
    Relative Speed (km/s) 5.741 km/s
    Conjunction Risk Parameters R (Radial): 2.234 | I (In-track): -1.761 | C (Cross-track): 0.716
    Collision Risk Index (CRI) 0.33
    X Position (km) 10.311 8.414
    Position Y (km) 943.985 944.285
    Position Z (km) -6784.219 -6786.435
    Velocity X (km/s) 7.071 7.039
    Velocity Y (km/s) -2.807 2.878
    Velocity Z (km/s) -0.378 0.409

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S2 STARLINK-37139
    Semimajor Axis (a) 6842.368 km 6843.614 km
    Eccentricity (e) 0.000191 0.000144
    Inclination (i) 97.3770° 97.2862°
    RAAN 336.4944° 21.4282°
    Perigee Argument 358.1612° 91.1101°
    Mean Anomaly (M) 1.9623° 269.0306°
    Apogee 465.536 km 466.463 km
    Perigee 462.926 km 464.491 km
    Orbit Epoch 2026-09-12T16:18:57+0000 2026-09-12T22:32:42+0000

    TOMORROW-S2 & STARLINK-37139 Collision Probability (Pc) Trend

    TOMORROW-S2 & STARLINK-37139 Collision Probability (Pc) TrendNot Available

    TOMORROW-S2 & STARLINK-37139 Miss Distance (Miss Distance) Trend

    TOMORROW-S2 & STARLINK-37139 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37139Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37139Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S2

    No nearby objects data