Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.327975E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T14:31:53+0800
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    1 Object 1

    AOE ID 55663
    NORAD ID 55663
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57986
    NORAD ID 57986
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5473 YAOGAN-39 03A
    Time of Closest Approach 2026-10-31T23:06:49+0000
    Collision Probability (Pc) 1.327975E-6
    Conjunction Distance (km) 2.738 km
    Relative Speed (km/s) 11.827 km/s
    Conjunction Risk Parameters R (Radial): -2.703 | I (In-track): 0.277 | C (Cross-track): 0.332
    Collision Risk Index (CRI) 0.37
    X Position (km) 2456.18 2456.776
    Position Y (km) -6201.261 -6203.882
    Position Z (km) 1653.05 1653.573
    Velocity X (km/s) 1.86 6.34
    Velocity Y (km/s) 2.589 1.449
    Velocity Z (km/s) 6.919 -3.967

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5473 YAOGAN-39 03A
    Semimajor Axis (a) 6870.931 km 6874.949 km
    Eccentricity (e) 0.000358 0.000402
    Inclination (i) 69.9995° 34.9993°
    RAAN 291.7981° 145.3034°
    Perigee Argument 254.7548° 297.1902°
    Mean Anomaly (M) 52.4904° 62.8403°
    Apogee 495.254 km 499.576 km
    Perigee 490.334 km 494.048 km
    Orbit Epoch 2026-10-29T22:00:02+0000 2026-10-29T21:39:55+0000

    STARLINK-5473 & YAOGAN-39 03A Collision Probability (Pc) Trend

    STARLINK-5473 & YAOGAN-39 03A Collision Probability (Pc) TrendNot Available

    STARLINK-5473 & YAOGAN-39 03A Miss Distance (Miss Distance) Trend

    STARLINK-5473 & YAOGAN-39 03A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5473Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 03AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5473Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 03ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5473

    No nearby objects data