Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.248933E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:17:33+0800
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    1 Object 1

    AOE ID 53486
    NORAD ID 53486
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54195
    NORAD ID 54195
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4431 STARLINK-5258
    Time of Closest Approach 2026-09-05T16:41:33+0000
    Collision Probability (Pc) 1.248933E-6
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 13.051 km/s
    Conjunction Risk Parameters R (Radial): 2.86 | I (In-track): 0.46 | C (Cross-track): 0.765
    Collision Risk Index (CRI) 0.37
    X Position (km) -4230.222 -4231.44
    Position Y (km) -492.805 -493.602
    Position Z (km) -5353.113 -5355.73
    Velocity X (km/s) 5.608 -0.734
    Velocity Y (km/s) 2.27 -7.483
    Velocity Z (km/s) -4.643 1.27

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4431 STARLINK-5258
    Semimajor Axis (a) 6833.219 km 6837.875 km
    Eccentricity (e) 0.000070 0.000115
    Inclination (i) 97.5329° 53.1595°
    RAAN 13.7752° 264.6910°
    Perigee Argument 100.2805° 88.9255°
    Mean Anomaly (M) 259.8518° 271.1880°
    Apogee 455.558 km 460.528 km
    Perigee 454.606 km 458.948 km
    Orbit Epoch 2026-09-03T07:26:07+0000 2026-09-04T01:58:32+0000

    STARLINK-4431 & STARLINK-5258 Collision Probability (Pc) Trend

    STARLINK-4431 & STARLINK-5258 Collision Probability (Pc) TrendNot Available

    STARLINK-4431 & STARLINK-5258 Miss Distance (Miss Distance) Trend

    STARLINK-4431 & STARLINK-5258 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4431Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5258Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4431Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5258Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4431

    No nearby objects data