Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.233016E-5
    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 2026-09-13T18:19:11+0000
    Collision Probability (Pc) 4.233016E-5
    Conjunction Distance (km) 0.635 km
    Relative Speed (km/s) 3.246 km/s
    Conjunction Risk Parameters R (Radial): -0.606 | I (In-track): -0.183 | C (Cross-track): 0.04
    Collision Risk Index (CRI) 0.68
    X Position (km) -3404.577 -3404.135
    Position Y (km) 3840.602 3840.387
    Position Z (km) 4544.556 4544.154
    Velocity X (km/s) -4.863 -6.293
    Velocity Y (km/s) -5.75 -4.137
    Velocity Z (km/s) 1.214 -1.213

    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