Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.350544E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:12:06+0800
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    1 Object 1

    AOE ID 47810
    NORAD ID 47810
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-2391 TOMORROW-S2
    Time of Closest Approach 2026-09-06T13:48:52+0000
    Collision Probability (Pc) 2.350544E-6
    Conjunction Distance (km) 2.162 km
    Relative Speed (km/s) 14.637 km/s
    Conjunction Risk Parameters R (Radial): 2.13 | I (In-track): -0.112 | C (Cross-track): -0.35
    Collision Risk Index (CRI) 0.42
    X Position (km) -5593.799 -5592.264
    Position Y (km) 2757.787 2756.661
    Position Z (km) 2822.476 2821.451
    Velocity X (km/s) -0.088 -2.329
    Velocity Y (km/s) -5.557 2.347
    Velocity Z (km/s) 5.234 -6.88

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2391 TOMORROW-S2
    Semimajor Axis (a) 6848.828 km 6842.668 km
    Eccentricity (e) 0.000131 0.000278
    Inclination (i) 53.1611° 97.3768°
    RAAN 144.8887° 328.0249°
    Perigee Argument 83.1299° 26.7510°
    Mean Anomaly (M) 276.9851° 333.3875°
    Apogee 471.587 km 466.434 km
    Perigee 469.795 km 462.628 km
    Orbit Epoch 2026-09-04T05:18:16+0000 2026-09-04T04:46:21+0000

    STARLINK-2391 & TOMORROW-S2 Collision Probability (Pc) Trend

    STARLINK-2391 & TOMORROW-S2 Collision Probability (Pc) TrendNot Available

    STARLINK-2391 & TOMORROW-S2 Miss Distance (Miss Distance) Trend

    STARLINK-2391 & TOMORROW-S2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2391Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2391

    No nearby objects data