Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.485131E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:45:13+0800
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    1 Object 1

    AOE ID 55112
    NORAD ID 55112
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 65397
    NORAD ID 65397
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-34940
    Time of Closest Approach 2026-10-21T09:03:43+0000
    Collision Probability (Pc) 3.485131E-5
    Conjunction Distance (km) 0.914 km
    Relative Speed (km/s) 13.652 km/s
    Conjunction Risk Parameters R (Radial): -0.864 | I (In-track): -0.131 | C (Cross-track): 0.266
    Collision Risk Index (CRI) 0.66
    X Position (km) -1988.836 -1988.557
    Position Y (km) -167.455 -167.73
    Position Z (km) -6555.524 -6554.699
    Velocity X (km/s) 6.188 -6.814
    Velocity Y (km/s) 3.979 2.754
    Velocity Z (km/s) -1.979 1.998

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-34940
    Semimajor Axis (a) 6849.480 km 6843.668 km
    Eccentricity (e) 0.000551 0.000174
    Inclination (i) 97.5651° 97.2837°
    RAAN 27.7810° 157.5495°
    Perigee Argument 267.0176° 87.0310°
    Mean Anomaly (M) 93.0435° 273.1132°
    Apogee 475.116 km 466.725 km
    Perigee 467.570 km 464.337 km
    Orbit Epoch 2026-10-18T12:31:38+0000 2026-10-18T21:52:37+0000

    ASTROCAST-0404 & STARLINK-34940 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-34940 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-34940 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-34940 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data