Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.056459E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:45:38+0800
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    1 Object 1

    AOE ID 53545
    NORAD ID 53545
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-4475 TOMORROW-S1
    Time of Closest Approach 2026-10-20T21:33:41+0000
    Collision Probability (Pc) 3.056459E-5
    Conjunction Distance (km) 0.921 km
    Relative Speed (km/s) 11.738 km/s
    Conjunction Risk Parameters R (Radial): 0.587 | I (In-track): -0.444 | C (Cross-track): 0.553
    Collision Risk Index (CRI) 0.65
    X Position (km) -3747.262 -3747.342
    Position Y (km) -1667.355 -1666.925
    Position Z (km) 5465.093 5465.902
    Velocity X (km/s) 2.914 -6.121
    Velocity Y (km/s) -7.059 -0.936
    Velocity Z (km/s) -0.155 -4.472

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4475 TOMORROW-S1
    Semimajor Axis (a) 6840.876 km 6840.899 km
    Eccentricity (e) 0.000113 0.000342
    Inclination (i) 53.1564° 97.3666°
    RAAN 121.3852° 12.1419°
    Perigee Argument 81.8475° 137.7611°
    Mean Anomaly (M) 278.2656° 222.3897°
    Apogee 463.515 km 465.105 km
    Perigee 461.963 km 460.419 km
    Orbit Epoch 2026-10-18T19:08:26+0000 2026-10-18T23:37:28+0000

    STARLINK-4475 & TOMORROW-S1 Collision Probability (Pc) Trend

    STARLINK-4475 & TOMORROW-S1 Collision Probability (Pc) TrendNot Available

    STARLINK-4475 & TOMORROW-S1 Miss Distance (Miss Distance) Trend

    STARLINK-4475 & TOMORROW-S1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4475Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4475Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4475

    No nearby objects data