Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.484113E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T18:45:52+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 66862
    NORAD ID 66862
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YUNYAO-1 18 STARLINK-35974
    Time of Closest Approach 2026-10-31T13:10:57+0000
    Collision Probability (Pc) 3.484113E-5
    Conjunction Distance (km) 0.838 km
    Relative Speed (km/s) 9.054 km/s
    Conjunction Risk Parameters R (Radial): -0.693 | I (In-track): 0.375 | C (Cross-track): -0.284
    Collision Risk Index (CRI) 0.66
    X Position (km) -3680.056 -3679.307
    Position Y (km) -4581.639 -4581.456
    Position Z (km) 3536.552 3536.224
    Velocity X (km/s) 6.095 3.789
    Velocity Y (km/s) -1.547 -5.676
    Velocity Z (km/s) 4.318 -3.403

    Orbital Parameters 国际轨道数据源

    Parameter YUNYAO-1 18 STARLINK-35974
    Semimajor Axis (a) 6865.259 km 6861.010 km
    Eccentricity (e) 0.000617 0.000378
    Inclination (i) 50.0143° 43.0103°
    RAAN 215.5167° 114.1105°
    Perigee Argument 87.7417° 262.1747°
    Mean Anomaly (M) 272.4246° 97.8676°
    Apogee 491.359 km 485.464 km
    Perigee 482.885 km 480.282 km
    Orbit Epoch 2026-10-28T14:17:21+0000 2026-10-27T12:53:45+0000

    YUNYAO-1 18 & STARLINK-35974 Collision Probability (Pc) Trend

    YUNYAO-1 18 & STARLINK-35974 Collision Probability (Pc) TrendNot Available

    YUNYAO-1 18 & STARLINK-35974 Miss Distance (Miss Distance) Trend

    YUNYAO-1 18 & STARLINK-35974 Miss Distance (Miss Distance) TrendNot Available

    YUNYAO-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35974Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YUNYAO-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35974Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YUNYAO-1 18

    No nearby objects data