Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.453516E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:53:43+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 2026-10-22T01:58:34+0000
    Collision Probability (Pc) 4.453516E-6
    Conjunction Distance (km) 1.578 km
    Relative Speed (km/s) 10.266 km/s
    Conjunction Risk Parameters R (Radial): -0.577 | I (In-track): -1.123 | C (Cross-track): 0.945
    Collision Risk Index (CRI) 0.48
    X Position (km) -2871.654 -2872.122
    Position Y (km) 4414.169 4413.445
    Position Z (km) -4401.552 -4402.874
    Velocity X (km/s) 3.804 -5.285
    Velocity Y (km/s) -3.11 -5.196
    Velocity Z (km/s) -6.053 -1.761

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 13 (SY-13) STARLINK-30613
    Semimajor Axis (a) 7200.242 km 6861.194 km
    Eccentricity (e) 0.060185 0.000114
    Inclination (i) 98.4533° 43.0024°
    RAAN 308.0419° 255.4031°
    Perigee Argument 187.0751° 276.7779°
    Mean Anomaly (M) 172.1642° 83.2942°
    Apogee 1255.448 km 483.842 km
    Perigee 388.762 km 482.272 km
    Orbit Epoch 2026-10-19T20:34:11+0000 2026-10-19T05:24:27+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