Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.539403E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:36:50+0800
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    1 Object 1

    AOE ID 51139
    NORAD ID 51139
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65752
    NORAD ID 65752
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3172 STARLINK-34893
    Time of Closest Approach 2026-09-04T16:56:42+0000
    Collision Probability (Pc) 4.539403E-7
    Conjunction Distance (km) 2.885 km
    Relative Speed (km/s) 1.7 km/s
    Conjunction Risk Parameters R (Radial): 2.645 | I (In-track): 1.145 | C (Cross-track): -0.127
    Collision Risk Index (CRI) 0.28
    X Position (km) 2167.638 2165.821
    Position Y (km) -3510.66 -3509.906
    Position Z (km) 5449.609 5447.501
    Velocity X (km/s) 6.815 6.105
    Velocity Y (km/s) 3.409 4.563
    Velocity Z (km/s) -0.513 0.512

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3172 STARLINK-34893
    Semimajor Axis (a) 6843.374 km 6840.826 km
    Eccentricity (e) 0.000144 0.000132
    Inclination (i) 53.1598° 53.1580°
    RAAN 215.3274° 231.0036°
    Perigee Argument 69.7087° 79.7981°
    Mean Anomaly (M) 290.4070° 280.3171°
    Apogee 466.221 km 463.596 km
    Perigee 464.253 km 461.782 km
    Orbit Epoch 2026-09-02T05:05:50+0000 2026-09-02T06:44:11+0000

    STARLINK-3172 & STARLINK-34893 Collision Probability (Pc) Trend

    STARLINK-3172 & STARLINK-34893 Collision Probability (Pc) TrendNot Available

    STARLINK-3172 & STARLINK-34893 Miss Distance (Miss Distance) Trend

    STARLINK-3172 & STARLINK-34893 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34893Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34893Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3172

    No nearby objects data