Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.560196E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T03:06:42+0800
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    1 Object 1

    AOE ID 53848
    NORAD ID 53848
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63349
    NORAD ID 63349
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4780 YUNYAO-1 48
    Time of Closest Approach 2026-10-26T23:29:06+0000
    Collision Probability (Pc) 1.560196E-6
    Conjunction Distance (km) 2.638 km
    Relative Speed (km/s) 14.138 km/s
    Conjunction Risk Parameters R (Radial): 2.139 | I (In-track): 0.554 | C (Cross-track): -1.44
    Collision Risk Index (CRI) 0.39
    X Position (km) 2155.524 2157.174
    Position Y (km) -4774.091 -4774.544
    Position Z (km) -4526.552 -4528.559
    Velocity X (km/s) 6.722 -3.215
    Velocity Y (km/s) -0.281 3.893
    Velocity Z (km/s) 3.501 -5.649

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4780 YUNYAO-1 48
    Semimajor Axis (a) 6917.902 km 6908.491 km
    Eccentricity (e) 0.000119 0.001649
    Inclination (i) 53.1601° 97.6122°
    RAAN 338.5058° 120.2520°
    Perigee Argument 88.0652° 71.6702°
    Mean Anomaly (M) 272.0476° 288.6320°
    Apogee 540.587 km 541.745 km
    Perigee 538.943 km 518.963 km
    Orbit Epoch 2026-10-26T03:03:38+0000 2026-10-26T06:37:38+0000

    STARLINK-4780 & YUNYAO-1 48 Collision Probability (Pc) Trend

    STARLINK-4780 & YUNYAO-1 48 Collision Probability (Pc) TrendNot Available

    STARLINK-4780 & YUNYAO-1 48 Miss Distance (Miss Distance) Trend

    STARLINK-4780 & YUNYAO-1 48 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4780Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 48Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4780Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 48Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4780

    No nearby objects data