Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.086176E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:50:39+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 2026-10-21T23:50:04+0000
    Collision Probability (Pc) 2.086176E-4
    Conjunction Distance (km) 0.395 km
    Relative Speed (km/s) 6.175 km/s
    Conjunction Risk Parameters R (Radial): 0 | I (In-track): 0.359 | C (Cross-track): 0.165
    Collision Risk Index (CRI) 0.81
    X Position (km) 1206.274 1205.89
    Position Y (km) -5349.976 -5350.067
    Position Z (km) 4114.254 4114.249
    Velocity X (km/s) 6.396 7.212
    Velocity Y (km/s) 3.344 -0.276
    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 6861.159 km
    Eccentricity (e) 0.000140 0.000139
    Inclination (i) 43.0017° 42.9986°
    RAAN 244.3058° 172.6978°
    Perigee Argument 270.5127° 274.2315°
    Mean Anomaly (M) 89.5565° 85.8377°
    Apogee 484.010 km 483.976 km
    Perigee 482.094 km 482.068 km
    Orbit Epoch 2026-10-19T07:13:33+0000 2026-10-19T02:16:26+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