Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.606989E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T09:36:27+0800
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    1 Object 1

    AOE ID 62386
    NORAD ID 62386
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63870
    NORAD ID 63870
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TOMORROW-S4 STARLINK-33986
    Time of Closest Approach 2026-10-21T01:48:40+0000
    Collision Probability (Pc) 4.606989E-5
    Conjunction Distance (km) 0.722 km
    Relative Speed (km/s) 6.762 km/s
    Conjunction Risk Parameters R (Radial): -0.68 | I (In-track): 0.215 | C (Cross-track): -0.1
    Collision Risk Index (CRI) 0.68
    X Position (km) -3719.459 -3718.891
    Position Y (km) -3204.993 -3204.763
    Position Z (km) -4787.146 -4786.766
    Velocity X (km/s) 5.533 5.917
    Velocity Y (km/s) -5.172 0.294
    Velocity Z (km/s) -0.833 -4.794

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S4 STARLINK-33986
    Semimajor Axis (a) 6852.208 km 6852.667 km
    Eccentricity (e) 0.000400 0.000417
    Inclination (i) 44.9811° 70.0045°
    RAAN 328.5130° 22.1424°
    Perigee Argument 19.2256° 274.2823°
    Mean Anomaly (M) 340.8779° 85.7876°
    Apogee 476.814 km 477.389 km
    Perigee 471.328 km 471.671 km
    Orbit Epoch 2026-10-20T02:44:47+0000 2026-10-20T05:59:42+0000

    TOMORROW-S4 & STARLINK-33986 Collision Probability (Pc) Trend

    TOMORROW-S4 & STARLINK-33986 Collision Probability (Pc) TrendNot Available

    TOMORROW-S4 & STARLINK-33986 Miss Distance (Miss Distance) Trend

    TOMORROW-S4 & STARLINK-33986 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33986Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33986Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S4

    No nearby objects data