Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.229536E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:00:02+0800
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    1 Object 1

    AOE ID 55583
    NORAD ID 55583
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58758
    NORAD ID 58758
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5742 YUNYAO-1 18
    Time of Closest Approach 2026-10-22T06:05:49+0000
    Collision Probability (Pc) 2.229536E-6
    Conjunction Distance (km) 1.853 km
    Relative Speed (km/s) 7.266 km/s
    Conjunction Risk Parameters R (Radial): 0.139 | I (In-track): 1.628 | C (Cross-track): 0.875
    Collision Risk Index (CRI) 0.42
    X Position (km) 1669.829 1671.567
    Position Y (km) -5129.659 -5129.069
    Position Z (km) 4231.173 4231.426
    Velocity X (km/s) 7.28 5.081
    Velocity Y (km/s) 0.543 4.519
    Velocity Z (km/s) -2.209 3.46

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5742 YUNYAO-1 18
    Semimajor Axis (a) 6861.203 km 6865.810 km
    Eccentricity (e) 0.000124 0.000626
    Inclination (i) 43.0022° 50.0177°
    RAAN 177.6519° 256.0085°
    Perigee Argument 274.2460° 50.6286°
    Mean Anomaly (M) 85.8250° 309.5224°
    Apogee 483.920 km 491.970 km
    Perigee 482.212 km 483.376 km
    Orbit Epoch 2026-10-20T01:48:34+0000 2026-10-20T09:51:39+0000

    STARLINK-5742 & YUNYAO-1 18 Collision Probability (Pc) Trend

    STARLINK-5742 & YUNYAO-1 18 Collision Probability (Pc) TrendNot Available

    STARLINK-5742 & YUNYAO-1 18 Miss Distance (Miss Distance) Trend

    STARLINK-5742 & YUNYAO-1 18 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5742Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5742Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5742

    No nearby objects data