Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.265141E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:04:28+0800
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    1 Object 1

    AOE ID 52541
    NORAD ID 52541
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57655
    NORAD ID 57655
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3845 CZ-4C R/B
    Time of Closest Approach 2026-10-20T01:03:09+0000
    Collision Probability (Pc) 6.265141E-5
    Conjunction Distance (km) 0.746 km
    Relative Speed (km/s) 12.357 km/s
    Conjunction Risk Parameters R (Radial): 0.742 | I (In-track): 0.051 | C (Cross-track): 0.058
    Collision Risk Index (CRI) 0.71
    X Position (km) -995.511 -995.372
    Position Y (km) 3998.755 3998.38
    Position Z (km) -5463.308 -5462.679
    Velocity X (km/s) -7.5 3.138
    Velocity Y (km/s) -1.32 -5.337
    Velocity Z (km/s) 0.4 -4.435

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3845 CZ-4C R/B
    Semimajor Axis (a) 6837.845 km 6818.191 km
    Eccentricity (e) 0.000080 0.005337
    Inclination (i) 53.1576° 97.9800°
    RAAN 191.9198° 293.5164°
    Perigee Argument 114.5763° 356.1380°
    Mean Anomaly (M) 245.5324° 3.9446°
    Apogee 460.258 km 476.440 km
    Perigee 459.158 km 403.668 km
    Orbit Epoch 2026-10-19T03:33:23+0000 2026-10-18T23:07:21+0000

    STARLINK-3845 & CZ-4C R/B Collision Probability (Pc) Trend

    STARLINK-3845 & CZ-4C R/B Collision Probability (Pc) TrendNot Available

    STARLINK-3845 & CZ-4C R/B Miss Distance (Miss Distance) Trend

    STARLINK-3845 & CZ-4C R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3845Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4C R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3845Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3845

    No nearby objects data