Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.583162E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:21:40+0800
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    1 Object 1

    AOE ID 58478
    NORAD ID 58478
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66504
    NORAD ID 66504
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30990 STARLINK-35916
    Time of Closest Approach 2026-09-06T13:11:19+0000
    Collision Probability (Pc) 8.583162E-5
    Conjunction Distance (km) 0.572 km
    Relative Speed (km/s) 6.175 km/s
    Conjunction Risk Parameters R (Radial): -0.137 | I (In-track): 0.51 | C (Cross-track): 0.219
    Collision Risk Index (CRI) 0.74
    X Position (km) -5483.875 -5483.974
    Position Y (km) 62.206 62.762
    Position Z (km) 4114.355 4114.443
    Velocity X (km/s) 1.776 -1.935
    Velocity Y (km/s) -6.995 -6.953
    Velocity Z (km/s) 2.468 -2.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30990 STARLINK-35916
    Semimajor Axis (a) 6861.188 km 6861.169 km
    Eccentricity (e) 0.000136 0.000167
    Inclination (i) 43.0016° 43.0005°
    RAAN 139.4691° 69.7068°
    Perigee Argument 269.5854° 264.9060°
    Mean Anomaly (M) 90.4842° 95.1600°
    Apogee 483.983 km 484.180 km
    Perigee 482.119 km 481.884 km
    Orbit Epoch 2026-09-04T02:51:26+0000 2026-09-03T14:03:31+0000

    STARLINK-30990 & STARLINK-35916 Collision Probability (Pc) Trend

    STARLINK-30990 & STARLINK-35916 Collision Probability (Pc) TrendNot Available

    STARLINK-30990 & STARLINK-35916 Miss Distance (Miss Distance) Trend

    STARLINK-30990 & STARLINK-35916 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35916Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35916Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30990

    No nearby objects data