Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.337601E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:55:34+0800
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    1 Object 1

    AOE ID 53988
    NORAD ID 53988
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5113 STARLINK-5421
    Time of Closest Approach 2026-09-13T10:54:24+0000
    Collision Probability (Pc) 1.337601E-6
    Conjunction Distance (km) 2.752 km
    Relative Speed (km/s) 12.131 km/s
    Conjunction Risk Parameters R (Radial): 2.516 | I (In-track): -0.686 | C (Cross-track): -0.879
    Collision Risk Index (CRI) 0.38
    X Position (km) 1453.051 1451.427
    Position Y (km) 6593.732 6591.546
    Position Z (km) -1110.994 -1110.597
    Velocity X (km/s) -4.318 -4.74
    Velocity Y (km/s) 1.953 0.042
    Velocity Z (km/s) 5.985 -5.986

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5113 STARLINK-5421
    Semimajor Axis (a) 6840.912 km 6837.827 km
    Eccentricity (e) 0.000122 0.000167
    Inclination (i) 53.1593° 53.1610°
    RAAN 91.8499° 258.5841°
    Perigee Argument 80.6114° 70.9643°
    Mean Anomaly (M) 48.5107° 289.1541°
    Apogee 463.614 km 460.831 km
    Perigee 461.936 km 458.549 km
    Orbit Epoch 2026-09-11T22:00:02+0000 2026-09-11T17:27:32+0000

    STARLINK-5113 & STARLINK-5421 Collision Probability (Pc) Trend

    STARLINK-5113 & STARLINK-5421 Collision Probability (Pc) TrendNot Available

    STARLINK-5113 & STARLINK-5421 Miss Distance (Miss Distance) Trend

    STARLINK-5113 & STARLINK-5421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5113Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5113Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5113

    No nearby objects data