Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.181545E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:05:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55111
    NORAD ID 55111
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 63700
    NORAD ID 63700
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0403 STARLINK-33908
    Time of Closest Approach 2026-10-20T17:21:32+0000
    Collision Probability (Pc) 3.181545E-6
    Conjunction Distance (km) 1.894 km
    Relative Speed (km/s) 13.962 km/s
    Conjunction Risk Parameters R (Radial): 0.938 | I (In-track): 0.666 | C (Cross-track): -1.504
    Collision Risk Index (CRI) 0.45
    X Position (km) 4413.099 4412.561
    Position Y (km) 1882.654 1883.896
    Position Z (km) 4864.922 4866.247
    Velocity X (km/s) -4.357 0.042
    Velocity Y (km/s) -3.415 7.114
    Velocity Z (km/s) 5.261 -2.784

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0403 STARLINK-33908
    Semimajor Axis (a) 6834.717 km 6840.785 km
    Eccentricity (e) 0.000319 0.000106
    Inclination (i) 97.5602° 53.1575°
    RAAN 29.2954° 259.4252°
    Perigee Argument 232.9313° 91.1788°
    Mean Anomaly (M) 127.1639° 268.9336°
    Apogee 458.761 km 463.372 km
    Perigee 454.399 km 461.924 km
    Orbit Epoch 2026-10-19T05:12:39+0000 2026-10-19T06:27:40+0000

    ASTROCAST-0403 & STARLINK-33908 Collision Probability (Pc) Trend

    ASTROCAST-0403 & STARLINK-33908 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0403 & STARLINK-33908 Miss Distance (Miss Distance) Trend

    ASTROCAST-0403 & STARLINK-33908 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33908Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33908Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0403

    No nearby objects data