Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.886798E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:30:38+0800
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    1 Object 1

    AOE ID 59578
    NORAD ID 59578
    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-31685 SHIYAN-33
    Time of Closest Approach 2026-10-22T07:17:44+0000
    Collision Probability (Pc) 1.886798E-5
    Conjunction Distance (km) 1.101 km
    Relative Speed (km/s) 14.169 km/s
    Conjunction Risk Parameters R (Radial): -0.886 | I (In-track): 0.254 | C (Cross-track): -0.601
    Collision Risk Index (CRI) 0.61
    X Position (km) -6229.918 -6229.091
    Position Y (km) -1465.094 -1465.487
    Position Z (km) 2463.378 2462.767
    Velocity X (km/s) 3.032 -2.881
    Velocity Y (km/s) -5.427 0.411
    Velocity Z (km/s) 4.421 -7.055

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31685 SHIYAN-33
    Semimajor Axis (a) 6861.315 km 6866.243 km
    Eccentricity (e) 0.000082 0.002339
    Inclination (i) 42.9981° 97.4509°
    RAAN 181.4283° 8.3626°
    Perigee Argument 52.3081° 219.6830°
    Mean Anomaly (M) 307.7845° 140.2698°
    Apogee 483.745 km 504.165 km
    Perigee 482.611 km 472.047 km
    Orbit Epoch 2026-10-20T01:48:00+0000 2026-10-20T07:23:08+0000

    STARLINK-31685 & SHIYAN-33 Collision Probability (Pc) Trend

    STARLINK-31685 & SHIYAN-33 Collision Probability (Pc) TrendNot Available

    STARLINK-31685 & SHIYAN-33 Miss Distance (Miss Distance) Trend

    STARLINK-31685 & SHIYAN-33 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31685Miss 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-31685Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN-33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31685

    No nearby objects data