Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.920331E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:08:37+0800
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    1 Object 1

    AOE ID 54172
    NORAD ID 54172
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65638
    NORAD ID 65638
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5117 STARLINK-35213
    Time of Closest Approach 2026-10-21T20:53:50+0000
    Collision Probability (Pc) 7.920331E-4
    Conjunction Distance (km) 0.159 km
    Relative Speed (km/s) 7.559 km/s
    Conjunction Risk Parameters R (Radial): 0.121 | I (In-track): -0.092 | C (Cross-track): -0.046
    Collision Risk Index (CRI) 0.93
    X Position (km) -756.649 -756.738
    Position Y (km) 4655.305 4655.21
    Position Z (km) 4945.56 4945.469
    Velocity X (km/s) -6.113 -6.992
    Velocity Y (km/s) -3.769 1.637
    Velocity Z (km/s) 2.605 -2.604

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5117 STARLINK-35213
    Semimajor Axis (a) 6840.872 km 6840.840 km
    Eccentricity (e) 0.000127 0.000073
    Inclination (i) 53.1631° 53.1563°
    RAAN 59.3460° 343.6562°
    Perigee Argument 92.3451° 65.2154°
    Mean Anomaly (M) 267.7697° 294.8924°
    Apogee 463.603 km 463.201 km
    Perigee 461.867 km 462.205 km
    Orbit Epoch 2026-10-19T07:38:58+0000 2026-10-19T04:18:27+0000

    STARLINK-5117 & STARLINK-35213 Collision Probability (Pc) Trend

    STARLINK-5117 & STARLINK-35213 Collision Probability (Pc) TrendNot Available

    STARLINK-5117 & STARLINK-35213 Miss Distance (Miss Distance) Trend

    STARLINK-5117 & STARLINK-35213 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5117Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35213Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5117Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35213Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5117

    No nearby objects data