Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.382407E-4
    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 2026-10-31T11:18:27+0000
    Collision Probability (Pc) 2.382407E-4
    Conjunction Distance (km) 0.439 km
    Relative Speed (km/s) 11.79 km/s
    Conjunction Risk Parameters R (Radial): -0.024 | I (In-track): -0.278 | C (Cross-track): 0.339
    Collision Risk Index (CRI) 0.83
    X Position (km) -2622.278 -2622.655
    Position Y (km) 6105.523 6105.348
    Position Z (km) -1756.088 -1756.229
    Velocity X (km/s) -1.758 -6.338
    Velocity Y (km/s) -2.732 -1.599
    Velocity Z (km/s) -6.889 3.915

    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