Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.836371E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:11:17+0800
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    1 Object 1

    AOE ID 54798
    NORAD ID 54798
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66238
    NORAD ID 66238
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5420 STARLINK-35556
    Time of Closest Approach 2026-10-22T02:08:56+0000
    Collision Probability (Pc) 1.836371E-6
    Conjunction Distance (km) 2.219 km
    Relative Speed (km/s) 10.763 km/s
    Conjunction Risk Parameters R (Radial): -2.202 | I (In-track): -0.183 | C (Cross-track): 0.188
    Collision Risk Index (CRI) 0.4
    X Position (km) 821.016 821.54
    Position Y (km) -5728.318 -5730.123
    Position Z (km) -3650.851 -3652.029
    Velocity X (km/s) 4.948 5.761
    Velocity Y (km/s) 3.607 -2.072
    Velocity Z (km/s) -4.554 4.552

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5420 STARLINK-35556
    Semimajor Axis (a) 6837.868 km 6840.804 km
    Eccentricity (e) 0.000103 0.000077
    Inclination (i) 53.1600° 53.1565°
    RAAN 82.6145° 320.3688°
    Perigee Argument 86.1021° 62.7318°
    Mean Anomaly (M) 274.0100° 297.3763°
    Apogee 460.436 km 463.194 km
    Perigee 459.026 km 462.140 km
    Orbit Epoch 2026-10-19T09:08:09+0000 2026-10-19T02:25:34+0000

    STARLINK-5420 & STARLINK-35556 Collision Probability (Pc) Trend

    STARLINK-5420 & STARLINK-35556 Collision Probability (Pc) TrendNot Available

    STARLINK-5420 & STARLINK-35556 Miss Distance (Miss Distance) Trend

    STARLINK-5420 & STARLINK-35556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5420Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5420Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5420

    No nearby objects data