Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.340602E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:04+0800
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    1 Object 1

    AOE ID 52988
    NORAD ID 52988
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59225
    NORAD ID 59225
    Object Type ROCKET BODY
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4291 ELECTRON KICK STAGE R/B
    Time of Closest Approach 2026-09-05T13:59:36+0000
    Collision Probability (Pc) 1.340602E-5
    Conjunction Distance (km) 1.197 km
    Relative Speed (km/s) 13.219 km/s
    Conjunction Risk Parameters R (Radial): -0.973 | I (In-track): -0.339 | C (Cross-track): 0.607
    Collision Risk Index (CRI) 0.58
    X Position (km) 2062.369 2062.343
    Position Y (km) 3775.246 3774.141
    Position Z (km) 5312.57 5312.112
    Velocity X (km/s) -7.25 4.204
    Velocity Y (km/s) 1.912 4.325
    Velocity Z (km/s) 1.452 -4.688

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4291 ELECTRON KICK STAGE R/B
    Semimajor Axis (a) 6843.374 km 6844.759 km
    Eccentricity (e) 0.000098 0.000959
    Inclination (i) 53.1611° 97.6456°
    RAAN 7.3199° 227.9932°
    Perigee Argument 84.5277° 99.5065°
    Mean Anomaly (M) 275.5837° 260.7262°
    Apogee 465.907 km 473.190 km
    Perigee 464.567 km 460.054 km
    Orbit Epoch 2026-09-02T15:16:38+0000 2026-09-01T21:43:00+0000

    STARLINK-4291 & ELECTRON KICK STAGE R/B Collision Probability (Pc) Trend

    STARLINK-4291 & ELECTRON KICK STAGE R/B Collision Probability (Pc) TrendNot Available

    STARLINK-4291 & ELECTRON KICK STAGE R/B Miss Distance (Miss Distance) Trend

    STARLINK-4291 & ELECTRON KICK STAGE R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4291Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ELECTRON KICK STAGE R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4291Collision Probability Trend

    Object 1 Probability TrendNot Available

    ELECTRON KICK STAGE R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4291

    No nearby objects data