Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.360668E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:17:52+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 58889
    NORAD ID 58889
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0403 STARLINK-31007
    Time of Closest Approach 2026-09-13T10:34:56+0000
    Collision Probability (Pc) 1.360668E-6
    Conjunction Distance (km) 2.957 km
    Relative Speed (km/s) 14.758 km/s
    Conjunction Risk Parameters R (Radial): -1.614 | I (In-track): -0.648 | C (Cross-track): -2.39
    Collision Risk Index (CRI) 0.38
    X Position (km) 6707.241 6709.223
    Position Y (km) -720.202 -718.109
    Position Z (km) -1138.914 -1138.257
    Velocity X (km/s) 1.135 -0.503
    Velocity Y (km/s) -1.146 4.721
    Velocity Z (km/s) 7.463 -5.979

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0403 STARLINK-31007
    Semimajor Axis (a) 6839.657 km 6840.858 km
    Eccentricity (e) 0.000428 0.000111
    Inclination (i) 97.5615° 53.1585°
    RAAN 349.8479° 177.1429°
    Perigee Argument 37.6018° 96.2452°
    Mean Anomaly (M) 322.5523° 263.8677°
    Apogee 464.447 km 463.479 km
    Perigee 458.593 km 461.963 km
    Orbit Epoch 2026-09-10T18:28:21+0000 2026-09-11T04:35:56+0000

    ASTROCAST-0403 & STARLINK-31007 Collision Probability (Pc) Trend

    ASTROCAST-0403 & STARLINK-31007 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0403 & STARLINK-31007 Miss Distance (Miss Distance) Trend

    ASTROCAST-0403 & STARLINK-31007 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31007Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31007Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0403

    No nearby objects data