Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.914284E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:54:34+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 59551
    NORAD ID 59551
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-31699
    Time of Closest Approach 2026-10-22T04:36:56+0000
    Collision Probability (Pc) 2.914284E-6
    Conjunction Distance (km) 1.789 km
    Relative Speed (km/s) 9.511 km/s
    Conjunction Risk Parameters R (Radial): 1.414 | I (In-track): -0.855 | C (Cross-track): -0.683
    Collision Risk Index (CRI) 0.44
    X Position (km) -2069.783 -2070.68
    Position Y (km) -4619.828 -4619.985
    Position Z (km) 4619.864 4621.403
    Velocity X (km/s) -1.495 6.605
    Velocity Y (km/s) -4.948 -3.737
    Velocity Z (km/s) -5.61 -0.774

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-31699
    Semimajor Axis (a) 6858.317 km 6861.250 km
    Eccentricity (e) 0.000626 0.000058
    Inclination (i) 86.3405° 43.0026°
    RAAN 70.5491° 160.2143°
    Perigee Argument 217.3088° 295.2080°
    Mean Anomaly (M) 142.7725° 64.8712°
    Apogee 484.472 km 483.511 km
    Perigee 475.888 km 482.715 km
    Orbit Epoch 2026-10-19T11:35:49+0000 2026-10-19T08:42:25+0000

    SIMSAT 1 & STARLINK-31699 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-31699 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-31699 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-31699 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31699Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31699Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data