Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.143069E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:52:35+0800
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    1 Object 1

    AOE ID 26366
    NORAD ID 26366
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58228
    NORAD ID 58228
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 2 STARLINK-30871
    Time of Closest Approach 2026-09-05T13:06:50+0000
    Collision Probability (Pc) 3.143069E-5
    Conjunction Distance (km) 0.944 km
    Relative Speed (km/s) 13.748 km/s
    Conjunction Risk Parameters R (Radial): -0.586 | I (In-track): 0.313 | C (Cross-track): 0.67
    Collision Risk Index (CRI) 0.65
    X Position (km) -301.385 -300.674
    Position Y (km) -6784.826 -6784.314
    Position Z (km) 969.02 968.671
    Velocity X (km/s) 0.443 5.659
    Velocity Y (km/s) -1.104 0.481
    Velocity Z (km/s) -7.529 5.09

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 2 STARLINK-30871
    Semimajor Axis (a) 6854.571 km 6861.200 km
    Eccentricity (e) 0.000540 0.000124
    Inclination (i) 86.3402° 43.0042°
    RAAN 89.4476° 276.0331°
    Perigee Argument 357.5812° 272.0278°
    Mean Anomaly (M) 2.5409° 88.0432°
    Apogee 480.139 km 483.912 km
    Perigee 472.729 km 482.214 km
    Orbit Epoch 2026-09-02T13:43:10+0000 2026-09-02T11:18:22+0000

    SIMSAT 2 & STARLINK-30871 Collision Probability (Pc) Trend

    SIMSAT 2 & STARLINK-30871 Collision Probability (Pc) TrendNot Available

    SIMSAT 2 & STARLINK-30871 Miss Distance (Miss Distance) Trend

    SIMSAT 2 & STARLINK-30871 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30871Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30871Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 2

    No nearby objects data