Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.180469E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:55:53+0800
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    1 Object 1

    AOE ID 57817
    NORAD ID 57817
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63949
    NORAD ID 63949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30391 STARLINK-33993
    Time of Closest Approach 2026-09-11T17:14:51+0000
    Collision Probability (Pc) 1.180469E-6
    Conjunction Distance (km) 2.779 km
    Relative Speed (km/s) 9.99 km/s
    Conjunction Risk Parameters R (Radial): 2.376 | I (In-track): -1.091 | C (Cross-track): -0.94
    Collision Risk Index (CRI) 0.36
    X Position (km) 4409.466 4408.967
    Position Y (km) -2902.552 -2900.634
    Position Z (km) 4373.67 4371.723
    Velocity X (km/s) 2.713 5.508
    Velocity Y (km/s) 6.889 0.431
    Velocity Z (km/s) 1.832 -5.258

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 STARLINK-33993
    Semimajor Axis (a) 6861.124 km 6855.184 km
    Eccentricity (e) 0.000118 0.000325
    Inclination (i) 42.9988° 70.0011°
    RAAN 271.7122° 166.7055°
    Perigee Argument 257.7010° 274.6745°
    Mean Anomaly (M) 102.3709° 85.4059°
    Apogee 483.796 km 479.276 km
    Perigee 482.178 km 474.818 km
    Orbit Epoch 2026-09-10T07:59:31+0000 2026-09-10T18:40:37+0000

    STARLINK-30391 & STARLINK-33993 Collision Probability (Pc) Trend

    STARLINK-30391 & STARLINK-33993 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & STARLINK-33993 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & STARLINK-33993 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33993Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33993Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data