Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.190298E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T16:36:32+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 67046
    NORAD ID 67046
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YUNYAO-1 18 STARLINK-35721
    Time of Closest Approach 2026-10-17T12:59:03+0000
    Collision Probability (Pc) 1.190298E-6
    Conjunction Distance (km) 2.11 km
    Relative Speed (km/s) 4.311 km/s
    Conjunction Risk Parameters R (Radial): 1.513 | I (In-track): -1.411 | C (Cross-track): -0.41
    Collision Risk Index (CRI) 0.37
    X Position (km) 3921.805 3921.674
    Position Y (km) -3147.34 -3145.393
    Position Z (km) 4660.55 4659.749
    Velocity X (km/s) 2.234 5.045
    Velocity Y (km/s) 6.779 5.708
    Velocity Z (km/s) 2.694 -0.392

    Orbital Parameters 国际轨道数据源

    Parameter YUNYAO-1 18 STARLINK-35721
    Semimajor Axis (a) 6866.057 km 6861.180 km
    Eccentricity (e) 0.000621 0.000065
    Inclination (i) 50.0195° 42.9996°
    RAAN 273.1742° 231.0009°
    Perigee Argument 34.2888° 287.1267°
    Mean Anomaly (M) 325.8469° 72.9513°
    Apogee 492.186 km 483.491 km
    Perigee 483.654 km 482.595 km
    Orbit Epoch 2026-10-16T22:34:03+0000 2026-10-16T13:02:06+0000

    YUNYAO-1 18 & STARLINK-35721 Collision Probability (Pc) Trend

    YUNYAO-1 18 & STARLINK-35721 Collision Probability (Pc) TrendNot Available

    YUNYAO-1 18 & STARLINK-35721 Miss Distance (Miss Distance) Trend

    YUNYAO-1 18 & STARLINK-35721 Miss Distance (Miss Distance) TrendNot Available

    YUNYAO-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YUNYAO-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YUNYAO-1 18

    No nearby objects data