Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.317731E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:17:43+0800
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    1 Object 1

    AOE ID 52538
    NORAD ID 52538
    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-3933 TOMORROW-S1
    Time of Closest Approach 2026-10-20T20:06:47+0000
    Collision Probability (Pc) 1.317731E-4
    Conjunction Distance (km) 0.598 km
    Relative Speed (km/s) 14.615 km/s
    Conjunction Risk Parameters R (Radial): 0.414 | I (In-track): -0.136 | C (Cross-track): 0.409
    Collision Risk Index (CRI) 0.77
    X Position (km) -5823.305 -5823.704
    Position Y (km) -1859.829 -1859.542
    Position Z (km) 3062.567 3062.906
    Velocity X (km/s) 3.984 -3.568
    Velocity Y (km/s) -4.104 0.01
    Velocity Z (km/s) 5.063 -6.753

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3933 TOMORROW-S1
    Semimajor Axis (a) 6840.877 km 6840.899 km
    Eccentricity (e) 0.000135 0.000342
    Inclination (i) 53.1592° 97.3666°
    RAAN 183.5984° 12.1419°
    Perigee Argument 90.6545° 137.7611°
    Mean Anomaly (M) 269.4612° 222.3897°
    Apogee 463.662 km 465.105 km
    Perigee 461.818 km 460.419 km
    Orbit Epoch 2026-10-19T03:19:14+0000 2026-10-18T23:37:28+0000

    STARLINK-3933 & TOMORROW-S1 Collision Probability (Pc) Trend

    STARLINK-3933 & TOMORROW-S1 Collision Probability (Pc) TrendNot Available

    STARLINK-3933 & TOMORROW-S1 Miss Distance (Miss Distance) Trend

    STARLINK-3933 & TOMORROW-S1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3933Miss 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-3933Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3933

    No nearby objects data