Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.017904E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:19:55+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 64028
    NORAD ID 64028
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0401 STARLINK-33953
    Time of Closest Approach 2026-09-06T03:45:14+0000
    Collision Probability (Pc) 1.017904E-6
    Conjunction Distance (km) 2.496 km
    Relative Speed (km/s) 5.774 km/s
    Conjunction Risk Parameters R (Radial): -2.494 | I (In-track): 0.064 | C (Cross-track): 0.028
    Collision Risk Index (CRI) 0.35
    X Position (km) -4320.061 -4318.542
    Position Y (km) 553.012 552.803
    Position Z (km) 5290.219 5288.25
    Velocity X (km/s) -5.516 -5.448
    Velocity Y (km/s) 2.296 -3.44
    Velocity Z (km/s) -4.737 -4.081

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0401 STARLINK-33953
    Semimajor Axis (a) 6853.225 km 6896.367 km
    Eccentricity (e) 0.000670 0.000345
    Inclination (i) 97.5544° 70.0055°
    RAAN 340.7448° 24.1530°
    Perigee Argument 287.5167° 297.5528°
    Mean Anomaly (M) 72.5341° 83.0606°
    Apogee 479.682 km 520.606 km
    Perigee 470.494 km 515.854 km
    Orbit Epoch 2026-09-03T12:25:07+0000 2026-09-04T04:00:02+0000

    ASTROCAST-0401 & STARLINK-33953 Collision Probability (Pc) Trend

    ASTROCAST-0401 & STARLINK-33953 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0401 & STARLINK-33953 Miss Distance (Miss Distance) Trend

    ASTROCAST-0401 & STARLINK-33953 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0401Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33953Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0401Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33953Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0401

    No nearby objects data