Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.906516E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:51:09+0800
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    1 Object 1

    AOE ID 51102
    NORAD ID 51102
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58077
    NORAD ID 58077
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 13 (SY-13) STARLINK-30613
    Time of Closest Approach 2026-10-22T01:58:35+0000
    Collision Probability (Pc) 5.906516E-5
    Conjunction Distance (km) 0.73 km
    Relative Speed (km/s) 10.266 km/s
    Conjunction Risk Parameters R (Radial): -0.598 | I (In-track): 0.303 | C (Cross-track): -0.285
    Collision Risk Index (CRI) 0.7
    X Position (km) -2871.177 -2871.384
    Position Y (km) 4413.754 4414.445
    Position Z (km) -4402.309 -4402.414
    Velocity X (km/s) 3.804 -5.286
    Velocity Y (km/s) -3.111 -5.195
    Velocity Z (km/s) -6.053 -1.762

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 13 (SY-13) STARLINK-30613
    Semimajor Axis (a) 7200.237 km 6861.196 km
    Eccentricity (e) 0.060188 0.000107
    Inclination (i) 98.4532° 43.0012°
    RAAN 308.6528° 249.4968°
    Perigee Argument 185.2192° 283.0901°
    Mean Anomaly (M) 174.2525° 76.9831°
    Apogee 1255.471 km 483.794 km
    Perigee 388.729 km 482.324 km
    Orbit Epoch 2026-10-20T11:46:50+0000 2026-10-20T06:30:57+0000

    SHIYAN 13 (SY-13) & STARLINK-30613 Collision Probability (Pc) Trend

    SHIYAN 13 (SY-13) & STARLINK-30613 Collision Probability (Pc) TrendNot Available

    SHIYAN 13 (SY-13) & STARLINK-30613 Miss Distance (Miss Distance) Trend

    SHIYAN 13 (SY-13) & STARLINK-30613 Miss Distance (Miss Distance) TrendNot Available

    SHIYAN 13 (SY-13)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30613Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 13 (SY-13)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30613Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 13 (SY-13)

    No nearby objects data