Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.171071E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:12:52+0800
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    1 Object 1

    AOE ID 26365
    NORAD ID 26365
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 57994
    NORAD ID 57994
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-30538
    Time of Closest Approach 2026-09-04T12:45:07+0000
    Collision Probability (Pc) 5.171071E-6
    Conjunction Distance (km) 1.406 km
    Relative Speed (km/s) 7.371 km/s
    Conjunction Risk Parameters R (Radial): -0.482 | I (In-track): -1.155 | C (Cross-track): -0.637
    Collision Risk Index (CRI) 0.49
    X Position (km) 19.133 18.405
    Position Y (km) -5669.073 -5668.056
    Position Z (km) 3857.754 3858.394
    Velocity X (km/s) 0.603 6.755
    Velocity Y (km/s) -4.29 -1.982
    Velocity Z (km/s) -6.275 -2.935

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-30538
    Semimajor Axis (a) 6858.786 km 6861.163 km
    Eccentricity (e) 0.001020 0.000153
    Inclination (i) 86.3389° 43.0014°
    RAAN 93.2841° 144.9967°
    Perigee Argument 56.3839° 278.0376°
    Mean Anomaly (M) 303.8381° 82.0302°
    Apogee 487.648 km 484.078 km
    Perigee 473.650 km 481.974 km
    Orbit Epoch 2026-09-03T07:50:01+0000 2026-09-03T03:15:22+0000

    SIMSAT 1 & STARLINK-30538 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-30538 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-30538 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-30538 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data