Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.164114E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:05:21+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 57925
    NORAD ID 57925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0404 STARLINK-30452
    Time of Closest Approach 2026-09-12T20:42:28+0000
    Collision Probability (Pc) 2.164114E-5
    Conjunction Distance (km) 0.916 km
    Relative Speed (km/s) 6.993 km/s
    Conjunction Risk Parameters R (Radial): 0.698 | I (In-track): -0.526 | C (Cross-track): -0.272
    Collision Risk Index (CRI) 0.62
    X Position (km) -6772.874 -6773.554
    Position Y (km) 1057.911 1058.221
    Position Z (km) -285.267 -284.739
    Velocity X (km/s) 0.454 -0.653
    Velocity Y (km/s) 0.945 -5.545
    Velocity Z (km/s) -7.549 -5.193

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0404 STARLINK-30452
    Semimajor Axis (a) 6854.227 km 6861.249 km
    Eccentricity (e) 0.000725 0.000119
    Inclination (i) 97.5663° 43.0036°
    RAAN 349.2747° 7.9634°
    Perigee Argument 54.9144° 268.7266°
    Mean Anomaly (M) 305.2775° 91.3450°
    Apogee 481.057 km 483.927 km
    Perigee 471.123 km 482.297 km
    Orbit Epoch 2026-09-10T17:41:03+0000 2026-09-09T10:18:19+0000

    ASTROCAST-0404 & STARLINK-30452 Collision Probability (Pc) Trend

    ASTROCAST-0404 & STARLINK-30452 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0404 & STARLINK-30452 Miss Distance (Miss Distance) Trend

    ASTROCAST-0404 & STARLINK-30452 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0404Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30452Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0404Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30452Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0404

    No nearby objects data