Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.165484E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:10:25+0800
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    1 Object 1

    AOE ID 51121
    NORAD ID 51121
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64947
    NORAD ID 64947
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3399 STARLINK-34747
    Time of Closest Approach 2026-09-07T07:39:29+0000
    Collision Probability (Pc) 1.165484E-6
    Conjunction Distance (km) 2.893 km
    Relative Speed (km/s) 10.731 km/s
    Conjunction Risk Parameters R (Radial): -2.546 | I (In-track): -0.967 | C (Cross-track): 0.975
    Collision Risk Index (CRI) 0.36
    X Position (km) 2010.765 2008.938
    Position Y (km) -3731.09 -3729.264
    Position Z (km) 5457.402 5456.1
    Velocity X (km/s) 7.135 1.404
    Velocity Y (km/s) 2.418 -5.918
    Velocity Z (km/s) -0.973 -4.551

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3399 STARLINK-34747
    Semimajor Axis (a) 6917.924 km 6912.608 km
    Eccentricity (e) 0.000144 0.000146
    Inclination (i) 53.1614° 97.2847°
    RAAN 202.7889° 106.7792°
    Perigee Argument 73.6225° 96.7620°
    Mean Anomaly (M) 286.4924° 213.4636°
    Apogee 540.781 km 535.479 km
    Perigee 538.793 km 533.463 km
    Orbit Epoch 2026-09-05T04:20:54+0000 2026-09-05T04:00:02+0000

    STARLINK-3399 & STARLINK-34747 Collision Probability (Pc) Trend

    STARLINK-3399 & STARLINK-34747 Collision Probability (Pc) TrendNot Available

    STARLINK-3399 & STARLINK-34747 Miss Distance (Miss Distance) Trend

    STARLINK-3399 & STARLINK-34747 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34747Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34747Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3399

    No nearby objects data