Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.109241E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:01:02+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 68001
    NORAD ID 68001
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30821 STARLINK-36903
    Time of Closest Approach 2026-09-13T23:01:44+0000
    Collision Probability (Pc) 5.109241E-6
    Conjunction Distance (km) 1.42 km
    Relative Speed (km/s) 7.6 km/s
    Conjunction Risk Parameters R (Radial): -1.386 | I (In-track): 0.266 | C (Cross-track): 0.145
    Collision Risk Index (CRI) 0.49
    X Position (km) 5329.988 5328.789
    Position Y (km) 2267.518 2267.337
    Position Z (km) -3683.517 -3682.779
    Velocity X (km/s) -4.46 -0.711
    Velocity Y (km/s) 5.279 6.876
    Velocity Z (km/s) -3.207 3.208

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30821 STARLINK-36903
    Semimajor Axis (a) 6861.204 km 6861.145 km
    Eccentricity (e) 0.000056 0.000131
    Inclination (i) 43.0007° 43.0002°
    RAAN 175.7670° 83.0246°
    Perigee Argument 348.2153° 277.3617°
    Mean Anomaly (M) 11.8685° 82.7086°
    Apogee 483.452 km 483.909 km
    Perigee 482.682 km 482.107 km
    Orbit Epoch 2026-09-11T04:06:34+0000 2026-09-10T23:04:17+0000

    STARLINK-30821 & STARLINK-36903 Collision Probability (Pc) Trend

    STARLINK-30821 & STARLINK-36903 Collision Probability (Pc) TrendNot Available

    STARLINK-30821 & STARLINK-36903 Miss Distance (Miss Distance) Trend

    STARLINK-30821 & STARLINK-36903 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36903Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30821Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36903Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30821

    No nearby objects data