Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.365505E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:50:53+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 57667
    NORAD ID 57667
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0403 STARLINK-30275
    Time of Closest Approach 2026-09-04T14:21:31+0000
    Collision Probability (Pc) 4.365505E-6
    Conjunction Distance (km) 1.659 km
    Relative Speed (km/s) 12.564 km/s
    Conjunction Risk Parameters R (Radial): -1.523 | I (In-track): 0.371 | C (Cross-track): 0.54
    Collision Risk Index (CRI) 0.48
    X Position (km) -4114.638 -4114.15
    Position Y (km) 463.698 463.194
    Position Z (km) 5437.262 5435.76
    Velocity X (km/s) -5.715 0.006
    Velocity Y (km/s) 2.313 -7.611
    Velocity Z (km/s) -4.507 0.652

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0403 STARLINK-30275
    Semimajor Axis (a) 6840.696 km 6840.868 km
    Eccentricity (e) 0.000489 0.000133
    Inclination (i) 97.5606° 53.1592°
    RAAN 341.0974° 106.2824°
    Perigee Argument 65.2422° 88.5247°
    Mean Anomaly (M) 294.9329° 271.5907°
    Apogee 465.905 km 463.641 km
    Perigee 459.213 km 461.821 km
    Orbit Epoch 2026-09-02T05:28:04+0000 2026-09-01T21:54:05+0000

    ASTROCAST-0403 & STARLINK-30275 Collision Probability (Pc) Trend

    ASTROCAST-0403 & STARLINK-30275 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0403 & STARLINK-30275 Miss Distance (Miss Distance) Trend

    ASTROCAST-0403 & STARLINK-30275 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30275Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30275Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0403

    No nearby objects data