Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.366469E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:11:25+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 59353
    NORAD ID 59353
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 2 STARLINK-31413
    Time of Closest Approach 2026-09-14T12:15:45+0000
    Collision Probability (Pc) 1.366469E-6
    Conjunction Distance (km) 2.855 km
    Relative Speed (km/s) 13.743 km/s
    Conjunction Risk Parameters R (Radial): 1.621 | I (In-track): -1.009 | C (Cross-track): -2.121
    Collision Risk Index (CRI) 0.38
    X Position (km) -697.326 -699.675
    Position Y (km) -6749.359 -6750.856
    Position Z (km) -1009.124 -1008.501
    Velocity X (km/s) 0.604 5.528
    Velocity Y (km/s) 1.058 -1.328
    Velocity Z (km/s) -7.525 5.081

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 2 STARLINK-31413
    Semimajor Axis (a) 6854.489 km 6861.192 km
    Eccentricity (e) 0.000401 0.000142
    Inclination (i) 86.3396° 43.0023°
    RAAN 85.0253° 290.2381°
    Perigee Argument 316.5099° 264.9983°
    Mean Anomaly (M) 43.5833° 95.0707°
    Apogee 479.098 km 484.029 km
    Perigee 473.606 km 482.081 km
    Orbit Epoch 2026-09-11T12:47:48+0000 2026-09-11T12:07:50+0000

    SIMSAT 2 & STARLINK-31413 Collision Probability (Pc) Trend

    SIMSAT 2 & STARLINK-31413 Collision Probability (Pc) TrendNot Available

    SIMSAT 2 & STARLINK-31413 Miss Distance (Miss Distance) Trend

    SIMSAT 2 & STARLINK-31413 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31413Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31413Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 2

    No nearby objects data