Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.792754E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:04:45+0800
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    1 Object 1

    AOE ID 55110
    NORAD ID 55110
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 65455
    NORAD ID 65455
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0401 STARLINK-34728
    Time of Closest Approach 2026-10-21T07:20:29+0000
    Collision Probability (Pc) 3.792754E-6
    Conjunction Distance (km) 1.743 km
    Relative Speed (km/s) 12.706 km/s
    Conjunction Risk Parameters R (Radial): -1.184 | I (In-track): 0.703 | C (Cross-track): 1.067
    Collision Risk Index (CRI) 0.47
    X Position (km) 1588.864 1588.516
    Position Y (km) -117.104 -118.359
    Position Z (km) 6647.535 6646.378
    Velocity X (km/s) -6.432 5.903
    Velocity Y (km/s) -3.848 -4.608
    Velocity Z (km/s) 1.462 -1.489

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0401 STARLINK-34728
    Semimajor Axis (a) 6847.916 km 6843.631 km
    Eccentricity (e) 0.000857 0.000234
    Inclination (i) 97.5540° 97.2852°
    RAAN 27.2610° 141.2721°
    Perigee Argument 124.1119° 86.9441°
    Mean Anomaly (M) 236.0936° 273.2069°
    Apogee 475.652 km 467.093 km
    Perigee 463.906 km 463.895 km
    Orbit Epoch 2026-10-19T04:50:18+0000 2026-10-19T01:39:21+0000

    ASTROCAST-0401 & STARLINK-34728 Collision Probability (Pc) Trend

    ASTROCAST-0401 & STARLINK-34728 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0401 & STARLINK-34728 Miss Distance (Miss Distance) Trend

    ASTROCAST-0401 & STARLINK-34728 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0401Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34728Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0401Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34728Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0401

    No nearby objects data