Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.65263E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:12:57+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 59653
    NORAD ID 59653
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-31764
    Time of Closest Approach 2026-09-06T04:00:25+0000
    Collision Probability (Pc) 3.65263E-6
    Conjunction Distance (km) 1.732 km
    Relative Speed (km/s) 11.663 km/s
    Conjunction Risk Parameters R (Radial): -0.647 | I (In-track): 1.028 | C (Cross-track): 1.234
    Collision Risk Index (CRI) 0.46
    X Position (km) -117.101 -115.788
    Position Y (km) -5180.559 -5180.701
    Position Z (km) 4489.29 4488.171
    Velocity X (km/s) 0.531 7.408
    Velocity Y (km/s) -5.002 1.093
    Velocity Z (km/s) -5.731 1.45

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-31764
    Semimajor Axis (a) 6858.786 km 6861.164 km
    Eccentricity (e) 0.001020 0.000132
    Inclination (i) 86.3389° 43.0009°
    RAAN 93.2841° 215.9683°
    Perigee Argument 56.3839° 273.1033°
    Mean Anomaly (M) 303.8381° 86.9668°
    Apogee 487.648 km 483.932 km
    Perigee 473.650 km 482.122 km
    Orbit Epoch 2026-09-03T07:50:01+0000 2026-09-03T09:46:35+0000

    SIMSAT 1 & STARLINK-31764 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-31764 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-31764 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-31764 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31764Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31764Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data