Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.47146E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:39:38+0800
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    1 Object 1

    AOE ID 53803
    NORAD ID 53803
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58469
    NORAD ID 58469
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-4727 ION SCV-015
    Time of Closest Approach 2026-09-03T11:20:40+0000
    Collision Probability (Pc) 4.47146E-5
    Conjunction Distance (km) 0.862 km
    Relative Speed (km/s) 14.748 km/s
    Conjunction Risk Parameters R (Radial): -0.673 | I (In-track): 0.133 | C (Cross-track): 0.521
    Collision Risk Index (CRI) 0.68
    X Position (km) -6074.205 -6074.636
    Position Y (km) 2773.196 2773.941
    Position Z (km) -1484.557 -1484.506
    Velocity X (km/s) -3.131 1.914
    Velocity Y (km/s) -3.724 0.259
    Velocity Z (km/s) 5.884 -7.389

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4727 ION SCV-015
    Semimajor Axis (a) 6837.817 km 6842.335 km
    Eccentricity (e) 0.000104 0.000912
    Inclination (i) 53.1602° 97.5742°
    RAAN 171.7490° 336.2463°
    Perigee Argument 81.2760° 175.3183°
    Mean Anomaly (M) 278.8361° 184.8146°
    Apogee 460.394 km 470.441 km
    Perigee 458.966 km 457.955 km
    Orbit Epoch 2026-09-02T01:02:39+0000 2026-09-02T14:09:17+0000

    STARLINK-4727 & ION SCV-015 Collision Probability (Pc) Trend

    STARLINK-4727 & ION SCV-015 Collision Probability (Pc) TrendNot Available

    STARLINK-4727 & ION SCV-015 Miss Distance (Miss Distance) Trend

    STARLINK-4727 & ION SCV-015 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ION SCV-015Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 1 Probability TrendNot Available

    ION SCV-015Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4727

    No nearby objects data