Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.067769E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:53:29+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 2026-10-22T01:24:13+0000
    Collision Probability (Pc) 4.067769E-5
    Conjunction Distance (km) 0.736 km
    Relative Speed (km/s) 6.175 km/s
    Conjunction Risk Parameters R (Radial): -0.188 | I (In-track): -0.648 | C (Cross-track): 0.291
    Collision Risk Index (CRI) 0.67
    X Position (km) 1171.861 1171.134
    Position Y (km) -5357.583 -5357.586
    Position Z (km) 4114.292 4114.182
    Velocity X (km/s) 6.417 7.21
    Velocity Y (km/s) 3.303 -0.323
    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) 6861.189 km 6861.162 km
    Eccentricity (e) 0.000140 0.000114
    Inclination (i) 43.0017° 42.9986°
    RAAN 244.3058° 171.2194°
    Perigee Argument 270.5127° 277.0786°
    Mean Anomaly (M) 89.5565° 82.9936°
    Apogee 484.010 km 483.807 km
    Perigee 482.094 km 482.243 km
    Orbit Epoch 2026-10-19T07:13:33+0000 2026-10-19T08:33:03+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