Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.629059E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:46:42+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 63636
    NORAD ID 63636
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-33864
    Time of Closest Approach 2026-09-04T20:12:36+0000
    Collision Probability (Pc) 6.629059E-5
    Conjunction Distance (km) 0.718 km
    Relative Speed (km/s) 11.312 km/s
    Conjunction Risk Parameters R (Radial): -0.497 | I (In-track): 0.354 | C (Cross-track): -0.377
    Collision Risk Index (CRI) 0.71
    X Position (km) 4964.878 4964.848
    Position Y (km) -844.637 -844.32
    Position Z (km) -4663.561 -4662.918
    Velocity X (km/s) 4.783 1.668
    Velocity Y (km/s) -2.199 7.421
    Velocity Z (km/s) 5.501 0.432

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-33864
    Semimajor Axis (a) 6854.926 km 6861.175 km
    Eccentricity (e) 0.000766 0.000173
    Inclination (i) 97.5650° 43.0010°
    RAAN 341.6200° 79.2970°
    Perigee Argument 78.7483° 259.9700°
    Mean Anomaly (M) 281.4618° 100.0956°
    Apogee 482.043 km 484.229 km
    Perigee 471.535 km 481.847 km
    Orbit Epoch 2026-09-03T05:09:01+0000 2026-09-03T21:02:35+0000

    ASTROCAST-0404 & STARLINK-33864 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-33864 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-33864 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-33864 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33864Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33864Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data