Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.837005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:39:17+0800
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    1 Object 1

    AOE ID 59657
    NORAD ID 59657
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63647
    NORAD ID 63647
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31904 STARLINK-33729
    Time of Closest Approach 2026-09-13T20:40:25+0000
    Collision Probability (Pc) 2.837005E-6
    Conjunction Distance (km) 1.436 km
    Relative Speed (km/s) 3.242 km/s
    Conjunction Risk Parameters R (Radial): -0.796 | I (In-track): -1.166 | C (Cross-track): -0.253
    Collision Risk Index (CRI) 0.44
    X Position (km) 3371.854 3370.562
    Position Y (km) -3877.862 -3878.196
    Position Z (km) -4550.376 -4549.848
    Velocity X (km/s) 4.913 6.323
    Velocity Y (km/s) 5.695 4.073
    Velocity Z (km/s) -1.213 1.214

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31904 STARLINK-33729
    Semimajor Axis (a) 6861.202 km 6861.116 km
    Eccentricity (e) 0.000107 0.000152
    Inclination (i) 43.0016° 43.0026°
    RAAN 75.6851° 53.4145°
    Perigee Argument 269.1074° 294.7105°
    Mean Anomaly (M) 90.9655° 65.3588°
    Apogee 483.800 km 484.024 km
    Perigee 482.330 km 481.934 km
    Orbit Epoch 2026-09-10T22:30:28+0000 2026-09-08T10:46:08+0000

    STARLINK-31904 & STARLINK-33729 Collision Probability (Pc) Trend

    STARLINK-31904 & STARLINK-33729 Collision Probability (Pc) TrendNot Available

    STARLINK-31904 & STARLINK-33729 Miss Distance (Miss Distance) Trend

    STARLINK-31904 & STARLINK-33729 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31904Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33729Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31904Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33729Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31904

    No nearby objects data