Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.197644E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:00:59+0800
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    1 Object 1

    AOE ID 58181
    NORAD ID 58181
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66579
    NORAD ID 66579
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30821 STARLINK-35868
    Time of Closest Approach 2026-09-12T19:24:39+0000
    Collision Probability (Pc) 1.197644E-3
    Conjunction Distance (km) 0.089 km
    Relative Speed (km/s) 10.187 km/s
    Conjunction Risk Parameters R (Radial): -0.029 | I (In-track): 0.059 | C (Cross-track): -0.059
    Collision Risk Index (CRI) 0.97
    X Position (km) -6734.084 -6734.059
    Position Y (km) 192.178 192.094
    Position Z (km) 1289.224 1289.214
    Velocity X (km/s) 0.801 -1.124
    Velocity Y (km/s) -5.703 -5.648
    Velocity Z (km/s) 5.001 -5.001

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30821 STARLINK-35868
    Semimajor Axis (a) 6861.204 km 6861.132 km
    Eccentricity (e) 0.000056 0.000113
    Inclination (i) 43.0007° 43.0034°
    RAAN 175.7670° 29.2249°
    Perigee Argument 348.2153° 236.1479°
    Mean Anomaly (M) 11.8685° 123.9265°
    Apogee 483.452 km 483.768 km
    Perigee 482.682 km 482.222 km
    Orbit Epoch 2026-09-11T04:06:34+0000 2026-09-09T10:40:06+0000

    STARLINK-30821 & STARLINK-35868 Collision Probability (Pc) Trend

    STARLINK-30821 & STARLINK-35868 Collision Probability (Pc) TrendNot Available

    STARLINK-30821 & STARLINK-35868 Miss Distance (Miss Distance) Trend

    STARLINK-30821 & STARLINK-35868 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35868Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30821Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35868Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30821

    No nearby objects data