Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.256576E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:09:40+0800
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    1 Object 1

    AOE ID 54866
    NORAD ID 54866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66501
    NORAD ID 66501
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5398 STARLINK-35897
    Time of Closest Approach 2026-10-21T22:07:33+0000
    Collision Probability (Pc) 5.256576E-5
    Conjunction Distance (km) 0.744 km
    Relative Speed (km/s) 9.45 km/s
    Conjunction Risk Parameters R (Radial): 0.148 | I (In-track): -0.575 | C (Cross-track): -0.447
    Collision Risk Index (CRI) 0.69
    X Position (km) 3959.956 3960.444
    Position Y (km) -5012.995 -5012.437
    Position Z (km) 2494.477 2494.419
    Velocity X (km/s) 3.63 5.767
    Velocity Y (km/s) 5.064 2.36
    Velocity Z (km/s) 4.4 -4.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5398 STARLINK-35897
    Semimajor Axis (a) 6861.204 km 6861.125 km
    Eccentricity (e) 0.000149 0.000132
    Inclination (i) 43.0015° 42.9993°
    RAAN 298.3450° 169.1251°
    Perigee Argument 269.3907° 261.8288°
    Mean Anomaly (M) 90.6774° 98.2414°
    Apogee 484.089 km 483.892 km
    Perigee 482.045 km 482.084 km
    Orbit Epoch 2026-10-19T07:12:52+0000 2026-10-19T02:00:28+0000

    STARLINK-5398 & STARLINK-35897 Collision Probability (Pc) Trend

    STARLINK-5398 & STARLINK-35897 Collision Probability (Pc) TrendNot Available

    STARLINK-5398 & STARLINK-35897 Miss Distance (Miss Distance) Trend

    STARLINK-5398 & STARLINK-35897 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35897Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35897Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5398

    No nearby objects data