Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.374695E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:19:53+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 56019
    NORAD ID 56019
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0401 STARLINK-5949
    Time of Closest Approach 2026-09-05T18:23:17+0000
    Collision Probability (Pc) 1.374695E-6
    Conjunction Distance (km) 2.79 km
    Relative Speed (km/s) 13.149 km/s
    Conjunction Risk Parameters R (Radial): 2.186 | I (In-track): 0.867 | C (Cross-track): 1.501
    Collision Risk Index (CRI) 0.38
    X Position (km) -5218.798 -5221.399
    Position Y (km) 991.515 990.653
    Position Z (km) 4330.49 4331.011
    Velocity X (km/s) -4.428 0.227
    Velocity Y (km/s) 2.158 -7.369
    Velocity Z (km/s) -5.82 1.955

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0401 STARLINK-5949
    Semimajor Axis (a) 6853.225 km 6861.200 km
    Eccentricity (e) 0.000670 0.000132
    Inclination (i) 97.5544° 43.0020°
    RAAN 340.7448° 118.3195°
    Perigee Argument 287.5167° 259.0202°
    Mean Anomaly (M) 72.5341° 101.0502°
    Apogee 479.682 km 483.967 km
    Perigee 470.494 km 482.159 km
    Orbit Epoch 2026-09-03T12:25:07+0000 2026-09-03T23:43:20+0000

    ASTROCAST-0401 & STARLINK-5949 Collision Probability (Pc) Trend

    ASTROCAST-0401 & STARLINK-5949 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0401 & STARLINK-5949 Miss Distance (Miss Distance) Trend

    ASTROCAST-0401 & STARLINK-5949 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0401Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5949Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0401Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5949Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0401

    No nearby objects data