Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.346591E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:46:55+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 69952
    NORAD ID 69952
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TOMORROW-S2 STARLINK-37899
    Time of Closest Approach 2026-10-21T07:47:23+0000
    Collision Probability (Pc) 3.346591E-6
    Conjunction Distance (km) 1.884 km
    Relative Speed (km/s) 14.759 km/s
    Conjunction Risk Parameters R (Radial): -0.431 | I (In-track): 0.473 | C (Cross-track): 1.772
    Collision Risk Index (CRI) 0.45
    X Position (km) -6494.599 -6493.816
    Position Y (km) -1888.712 -1890.25
    Position Z (km) 1024.392 1023.637
    Velocity X (km/s) -1.375 2.174
    Velocity Y (km/s) 0.632 -4.189
    Velocity Z (km/s) -7.485 6.004

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S2 STARLINK-37899
    Semimajor Axis (a) 6840.916 km 6840.817 km
    Eccentricity (e) 0.000304 0.000105
    Inclination (i) 97.3736° 53.1569°
    RAAN 13.4315° 195.2055°
    Perigee Argument 157.3091° 101.5115°
    Mean Anomaly (M) 202.8287° 258.6005°
    Apogee 464.861 km 463.399 km
    Perigee 460.697 km 461.961 km
    Orbit Epoch 2026-10-19T15:55:03+0000 2026-10-20T03:36:20+0000

    TOMORROW-S2 & STARLINK-37899 Collision Probability (Pc) Trend

    TOMORROW-S2 & STARLINK-37899 Collision Probability (Pc) TrendNot Available

    TOMORROW-S2 & STARLINK-37899 Miss Distance (Miss Distance) Trend

    TOMORROW-S2 & STARLINK-37899 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37899Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37899Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S2

    No nearby objects data