Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.685792E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:20:48+0800
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    1 Object 1

    AOE ID 55463
    NORAD ID 55463
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66308
    NORAD ID 66308
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5677 TOMORROW-S8
    Time of Closest Approach 2026-10-20T13:34:33+0000
    Collision Probability (Pc) 4.685792E-7
    Conjunction Distance (km) 2.568 km
    Relative Speed (km/s) 1.298 km/s
    Conjunction Risk Parameters R (Radial): -2.359 | I (In-track): 1.009 | C (Cross-track): 0.09
    Collision Risk Index (CRI) 0.28
    X Position (km) -3114.202 -3112.257
    Position Y (km) -4020.977 -4020.073
    Position Z (km) 4625.657 4624.246
    Velocity X (km/s) 6.42 6.705
    Velocity Y (km/s) -4.007 -3.156
    Velocity Z (km/s) 0.831 1.768

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5677 TOMORROW-S8
    Semimajor Axis (a) 6875.714 km 6879.676 km
    Eccentricity (e) 0.001042 0.000363
    Inclination (i) 42.9964° 45.3963°
    RAAN 163.3314° 176.5801°
    Perigee Argument 216.9272° 349.6358°
    Mean Anomaly (M) 143.0861° 10.4454°
    Apogee 504.743 km 504.035 km
    Perigee 490.411 km 499.043 km
    Orbit Epoch 2026-10-19T01:00:54+0000 2026-10-19T01:01:16+0000

    STARLINK-5677 & TOMORROW-S8 Collision Probability (Pc) Trend

    STARLINK-5677 & TOMORROW-S8 Collision Probability (Pc) TrendNot Available

    STARLINK-5677 & TOMORROW-S8 Miss Distance (Miss Distance) Trend

    STARLINK-5677 & TOMORROW-S8 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S8Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5677Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5677

    No nearby objects data