Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.768815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T12:10:31+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69352
    NORAD ID 69352
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0403 STARLINK-37778
    Time of Closest Approach 2026-09-05T08:13:04+0000
    Collision Probability (Pc) 1.768815E-6
    Conjunction Distance (km) 2.105 km
    Relative Speed (km/s) 8.341 km/s
    Conjunction Risk Parameters R (Radial): -1.671 | I (In-track): 1.067 | C (Cross-track): -0.705
    Collision Risk Index (CRI) 0.4
    X Position (km) 782.489 781.839
    Position Y (km) 713.698 714.837
    Position Z (km) -6767.909 -6769.556
    Velocity X (km/s) 7.284 1.043
    Velocity Y (km/s) -2.134 -7.514
    Velocity Z (km/s) 0.62 -0.673

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0403 STARLINK-37778
    Semimajor Axis (a) 6840.696 km 6843.718 km
    Eccentricity (e) 0.000489 0.000154
    Inclination (i) 97.5606° 97.2833°
    RAAN 341.0974° 274.5023°
    Perigee Argument 65.2422° 87.9169°
    Mean Anomaly (M) 294.9329° 272.2250°
    Apogee 465.905 km 466.634 km
    Perigee 459.213 km 464.528 km
    Orbit Epoch 2026-09-02T05:28:04+0000 2026-09-02T13:17:24+0000

    ASTROCAST-0403 & STARLINK-37778 Collision Probability (Pc) Trend

    ASTROCAST-0403 & STARLINK-37778 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0403 & STARLINK-37778 Miss Distance (Miss Distance) Trend

    ASTROCAST-0403 & STARLINK-37778 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37778Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37778Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0403

    No nearby objects data