Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.761962E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T02:58:42+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 57109
    NORAD ID 57109
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-6139
    Time of Closest Approach 2026-10-16T15:53:21+0000
    Collision Probability (Pc) 3.761962E-6
    Conjunction Distance (km) 1.545 km
    Relative Speed (km/s) 7.214 km/s
    Conjunction Risk Parameters R (Radial): -1.389 | I (In-track): -0.596 | C (Cross-track): 0.315
    Collision Risk Index (CRI) 0.47
    X Position (km) 2008.78 2008.6
    Position Y (km) 5384.742 5383.234
    Position Z (km) -3754.481 -3754.199
    Velocity X (km/s) 0.908 -5.528
    Velocity Y (km/s) 4.095 4.226
    Velocity Z (km/s) 6.358 3.104

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-6139
    Semimajor Axis (a) 6858.381 km 6861.202 km
    Eccentricity (e) 0.000575 0.000132
    Inclination (i) 86.3405° 43.0048°
    RAAN 72.7734° 122.1214°
    Perigee Argument 240.0373° 249.1391°
    Mean Anomaly (M) 120.0304° 110.9319°
    Apogee 484.189 km 483.973 km
    Perigee 476.299 km 482.157 km
    Orbit Epoch 2026-10-14T23:10:58+0000 2026-10-15T05:35:53+0000

    SIMSAT 1 & STARLINK-6139 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-6139 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-6139 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-6139 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6139Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6139Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data