Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.480615E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:53:07+0800
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    1 Object 1

    AOE ID 55109
    NORAD ID 55109
    Object Type PAYLOAD
    Country
    CH CH
    VS

    2 Object 2

    AOE ID 63424
    NORAD ID 63424
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0402 STARLINK-33655
    Time of Closest Approach 2026-09-05T07:00:20+0000
    Collision Probability (Pc) 1.480615E-6
    Conjunction Distance (km) 2.741 km
    Relative Speed (km/s) 14.31 km/s
    Conjunction Risk Parameters R (Radial): 2.741 | I (In-track): 0.001 | C (Cross-track): -0.022
    Collision Risk Index (CRI) 0.38
    X Position (km) -6384.226 -6386.77
    Position Y (km) 2156.362 2157.245
    Position Z (km) -1279.542 -1280.051
    Velocity X (km/s) 1.657 -2.712
    Velocity Y (km/s) 0.517 -5.073
    Velocity Z (km/s) -7.423 5.004

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0402 STARLINK-33655
    Semimajor Axis (a) 6852.864 km 6861.174 km
    Eccentricity (e) 0.000361 0.000043
    Inclination (i) 97.5568° 42.9983°
    RAAN 339.6857° 192.2904°
    Perigee Argument 342.2247° 287.7040°
    Mean Anomaly (M) 17.8867° 72.3765°
    Apogee 477.199 km 483.332 km
    Perigee 472.255 km 482.742 km
    Orbit Epoch 2026-09-02T05:59:24+0000 2026-09-01T21:28:32+0000

    ASTROCAST-0402 & STARLINK-33655 Collision Probability (Pc) Trend

    ASTROCAST-0402 & STARLINK-33655 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0402 & STARLINK-33655 Miss Distance (Miss Distance) Trend

    ASTROCAST-0402 & STARLINK-33655 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33655Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33655Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0402

    No nearby objects data