Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.345377E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:26:36+0800
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    1 Object 1

    AOE ID 57458
    NORAD ID 57458
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68405
    NORAD ID 68405
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30140 SHIYAN-33
    Time of Closest Approach 2026-10-20T23:45:36+0000
    Collision Probability (Pc) 1.345377E-6
    Conjunction Distance (km) 2.879 km
    Relative Speed (km/s) 13.634 km/s
    Conjunction Risk Parameters R (Radial): 2.815 | I (In-track): -0.263 | C (Cross-track): 0.543
    Collision Risk Index (CRI) 0.38
    X Position (km) -5488.579 -5490.755
    Position Y (km) -1386.609 -1386.659
    Position Z (km) 3867.996 3869.88
    Velocity X (km/s) 3.594 -4.408
    Velocity Y (km/s) -6.061 0.122
    Velocity Z (km/s) 2.92 -6.223

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30140 SHIYAN-33
    Semimajor Axis (a) 6861.199 km 6866.243 km
    Eccentricity (e) 0.000115 0.002339
    Inclination (i) 43.0026° 97.4509°
    RAAN 152.6246° 8.3626°
    Perigee Argument 276.0550° 219.6830°
    Mean Anomaly (M) 84.0171° 140.2698°
    Apogee 483.850 km 504.165 km
    Perigee 482.274 km 472.047 km
    Orbit Epoch 2026-10-19T23:58:40+0000 2026-10-20T07:23:08+0000

    STARLINK-30140 & SHIYAN-33 Collision Probability (Pc) Trend

    STARLINK-30140 & SHIYAN-33 Collision Probability (Pc) TrendNot Available

    STARLINK-30140 & SHIYAN-33 Miss Distance (Miss Distance) Trend

    STARLINK-30140 & SHIYAN-33 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN-33Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30140Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN-33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30140

    No nearby objects data