Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.041766E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:20:49+0800
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    1 Object 1

    AOE ID 46075
    NORAD ID 46075
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53054
    NORAD ID 53054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1551 STARLINK-4339
    Time of Closest Approach 2026-09-11T20:16:39+0000
    Collision Probability (Pc) 3.041766E-6
    Conjunction Distance (km) 1.888 km
    Relative Speed (km/s) 12.816 km/s
    Conjunction Risk Parameters R (Radial): -1.737 | I (In-track): 0.402 | C (Cross-track): 0.617
    Collision Risk Index (CRI) 0.45
    X Position (km) -2028.589 -2029.756
    Position Y (km) -3692.802 -3693.847
    Position Z (km) -5406.598 -5407.649
    Velocity X (km/s) 5.885 1.453
    Velocity Y (km/s) -4.73 5.907
    Velocity Z (km/s) 1.023 -4.584

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1551 STARLINK-4339
    Semimajor Axis (a) 6848.883 km 6848.405 km
    Eccentricity (e) 0.000109 0.000228
    Inclination (i) 53.1594° 97.2841°
    RAAN 321.7000° 69.8263°
    Perigee Argument 88.2896° 103.6793°
    Mean Anomaly (M) 271.8231° 152.6319°
    Apogee 471.494 km 471.831 km
    Perigee 469.998 km 468.705 km
    Orbit Epoch 2026-09-10T11:44:29+0000 2026-09-11T00:00:04+0000

    STARLINK-1551 & STARLINK-4339 Collision Probability (Pc) Trend

    STARLINK-1551 & STARLINK-4339 Collision Probability (Pc) TrendNot Available

    STARLINK-1551 & STARLINK-4339 Miss Distance (Miss Distance) Trend

    STARLINK-1551 & STARLINK-4339 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1551Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1551

    No nearby objects data