Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.941934E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:48:57+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 55661
    NORAD ID 55661
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-5475
    Time of Closest Approach 2026-10-18T01:50:08+0000
    Collision Probability (Pc) 8.941934E-6
    Conjunction Distance (km) 1.239 km
    Relative Speed (km/s) 8.8 km/s
    Conjunction Risk Parameters R (Radial): 1.181 | I (In-track): 0.305 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.54
    X Position (km) 2892.05 2892.21
    Position Y (km) 569.945 570.094
    Position Z (km) 6179.674 6180.893
    Velocity X (km/s) -5.98 -5.272
    Velocity Y (km/s) -3.557 5.14
    Velocity Z (km/s) 3.122 1.989

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-5475
    Semimajor Axis (a) 6849.652 km 6852.786 km
    Eccentricity (e) 0.000550 0.000343
    Inclination (i) 97.5652° 70.0004°
    RAAN 26.4481° 322.8883°
    Perigee Argument 272.8908° 277.1216°
    Mean Anomaly (M) 87.1703° 221.6240°
    Apogee 475.285 km 476.999 km
    Perigee 467.745 km 472.299 km
    Orbit Epoch 2026-10-17T05:09:52+0000 2026-10-17T12:00:02+0000

    ASTROCAST-0404 & STARLINK-5475 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-5475 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-5475 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-5475 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5475Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5475Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data