Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.783211E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:50:33+0800
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    1 Object 1

    AOE ID 55110
    NORAD ID 55110
    Object Type PAYLOAD
    Country
    CH CH
    VS

    2 Object 2

    AOE ID 57512
    NORAD ID 57512
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0401 STARLINK-30157
    Time of Closest Approach 2026-09-05T04:15:25+0000
    Collision Probability (Pc) 1.783211E-6
    Conjunction Distance (km) 2.222 km
    Relative Speed (km/s) 10.298 km/s
    Conjunction Risk Parameters R (Radial): 2.012 | I (In-track): 0.691 | C (Cross-track): 0.642
    Collision Risk Index (CRI) 0.4
    X Position (km) -5096.128 -5098.228
    Position Y (km) 990.443 990.33
    Position Z (km) 4474.451 4475.165
    Velocity X (km/s) -4.565 -2.677
    Velocity Y (km/s) 2.235 -6.983
    Velocity Z (km/s) -5.684 -1.5

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0401 STARLINK-30157
    Semimajor Axis (a) 6853.331 km 6861.188 km
    Eccentricity (e) 0.000673 0.000132
    Inclination (i) 97.5547° 43.0027°
    RAAN 339.4150° 74.8264°
    Perigee Argument 293.0449° 266.9720°
    Mean Anomaly (M) 67.0082° 93.0981°
    Apogee 479.803 km 483.956 km
    Perigee 470.585 km 482.146 km
    Orbit Epoch 2026-09-02T05:01:50+0000 2026-09-01T22:53:52+0000

    ASTROCAST-0401 & STARLINK-30157 Collision Probability (Pc) Trend

    ASTROCAST-0401 & STARLINK-30157 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0401 & STARLINK-30157 Miss Distance (Miss Distance) Trend

    ASTROCAST-0401 & STARLINK-30157 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0401Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30157Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0401Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30157Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0401

    No nearby objects data