Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.031887E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:28:00+0800
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    1 Object 1

    AOE ID 53249
    NORAD ID 53249
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55110
    NORAD ID 55110
    Object Type PAYLOAD
    Country
    CH CH

    Conjunction Constraints

    Parameter STARLINK-4128 ASTROCAST-0401
    Time of Closest Approach 2026-10-24T19:43:11+0000
    Collision Probability (Pc) 1.031887E-5
    Conjunction Distance (km) 1.319 km
    Relative Speed (km/s) 14.7 km/s
    Conjunction Risk Parameters R (Radial): -0.867 | I (In-track): -0.255 | C (Cross-track): 0.959
    Collision Risk Index (CRI) 0.55
    X Position (km) 5586.915 5587.052
    Position Y (km) 3274.62 3275.76
    Position Z (km) 2221.313 2221.961
    Velocity X (km/s) -0.787 -1.593
    Velocity Y (km/s) 5.145 -2.163
    Velocity Z (km/s) -5.584 7.144

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4128 ASTROCAST-0401
    Semimajor Axis (a) 6848.782 km 6847.216 km
    Eccentricity (e) 0.000176 0.000852
    Inclination (i) 53.1627° 97.5553°
    RAAN 228.1421° 31.9240°
    Perigee Argument 210.3557° 109.9804°
    Mean Anomaly (M) 149.7343° 250.2356°
    Apogee 471.849 km 474.912 km
    Perigee 469.441 km 463.246 km
    Orbit Epoch 2026-10-24T04:56:52+0000 2026-10-23T18:33:36+0000

    STARLINK-4128 & ASTROCAST-0401 Collision Probability (Pc) Trend

    STARLINK-4128 & ASTROCAST-0401 Collision Probability (Pc) TrendNot Available

    STARLINK-4128 & ASTROCAST-0401 Miss Distance (Miss Distance) Trend

    STARLINK-4128 & ASTROCAST-0401 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4128Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ASTROCAST-0401Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4128Collision Probability Trend

    Object 1 Probability TrendNot Available

    ASTROCAST-0401Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4128

    No nearby objects data