Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.372936E-6
    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 2026-09-13T07:10:47+0000
    Collision Probability (Pc) 3.372936E-6
    Conjunction Distance (km) 1.726 km
    Relative Speed (km/s) 10.182 km/s
    Conjunction Risk Parameters R (Radial): -0.977 | I (In-track): -1.059 | C (Cross-track): -0.949
    Collision Risk Index (CRI) 0.46
    X Position (km) 6720.329 6719.263
    Position Y (km) -516.999 -518.344
    Position Z (km) -1290.522 -1290.338
    Velocity X (km/s) -0.515 1.387
    Velocity Y (km/s) 5.732 5.585
    Velocity Z (km/s) -5 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