Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.407854E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:36:56+0800
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    1 Object 1

    AOE ID 58758
    NORAD ID 58758
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67511
    NORAD ID 67511
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YUNYAO-1 18 STARLINK-36540
    Time of Closest Approach 2026-10-21T15:51:18+0000
    Collision Probability (Pc) 5.407854E-6
    Conjunction Distance (km) 1.48 km
    Relative Speed (km/s) 10.094 km/s
    Conjunction Risk Parameters R (Radial): 1.329 | I (In-track): 0.487 | C (Cross-track): 0.432
    Collision Risk Index (CRI) 0.5
    X Position (km) 112.229 111.56
    Position Y (km) -6298.032 -6296.843
    Position Z (km) 2714.202 2713.631
    Velocity X (km/s) 5.297 6.105
    Velocity Y (km/s) 2.261 -1.723
    Velocity Z (km/s) 5.003 -4.236

    Orbital Parameters 国际轨道数据源

    Parameter YUNYAO-1 18 STARLINK-36540
    Semimajor Axis (a) 6865.810 km 6861.158 km
    Eccentricity (e) 0.000626 0.000106
    Inclination (i) 50.0177° 43.0000°
    RAAN 256.0085° 130.1575°
    Perigee Argument 50.6286° 247.8427°
    Mean Anomaly (M) 309.5224° 112.2312°
    Apogee 491.970 km 483.751 km
    Perigee 483.376 km 482.291 km
    Orbit Epoch 2026-10-20T09:51:39+0000 2026-10-19T14:34:48+0000

    YUNYAO-1 18 & STARLINK-36540 Collision Probability (Pc) Trend

    YUNYAO-1 18 & STARLINK-36540 Collision Probability (Pc) TrendNot Available

    YUNYAO-1 18 & STARLINK-36540 Miss Distance (Miss Distance) Trend

    YUNYAO-1 18 & STARLINK-36540 Miss Distance (Miss Distance) TrendNot Available

    YUNYAO-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YUNYAO-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YUNYAO-1 18

    No nearby objects data