Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.15681E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:21:02+0800
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    1 Object 1

    AOE ID 53139
    NORAD ID 53139
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name UHETSAT
    AOE ID 58466
    NORAD ID 58466
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-4185 UHETSAT
    Time of Closest Approach 2026-10-20T12:20:54+0000
    Collision Probability (Pc) 2.15681E-6
    Conjunction Distance (km) 2.202 km
    Relative Speed (km/s) 13.623 km/s
    Conjunction Risk Parameters R (Radial): -0.833 | I (In-track): -0.908 | C (Cross-track): 1.824
    Collision Risk Index (CRI) 0.42
    X Position (km) -4498.835 -4498.981
    Position Y (km) 667.47 669.113
    Position Z (km) -5117.25 -5115.793
    Velocity X (km/s) -3.433 5.747
    Velocity Y (km/s) -6.45 0.627
    Velocity Z (km/s) 2.178 -4.977

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4185 UHETSAT
    Semimajor Axis (a) 6840.808 km 6846.179 km
    Eccentricity (e) 0.000109 0.001135
    Inclination (i) 53.1583° 97.3343°
    RAAN 234.8107° 359.2468°
    Perigee Argument 95.2215° 220.2112°
    Mean Anomaly (M) 264.8912° 139.8291°
    Apogee 463.416 km 475.812 km
    Perigee 461.926 km 460.272 km
    Orbit Epoch 2026-10-19T06:56:50+0000 2026-10-19T21:15:00+0000

    STARLINK-4185 & UHETSAT Collision Probability (Pc) Trend

    STARLINK-4185 & UHETSAT Collision Probability (Pc) TrendNot Available

    STARLINK-4185 & UHETSAT Miss Distance (Miss Distance) Trend

    STARLINK-4185 & UHETSAT Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4185Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UHETSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4185Collision Probability Trend

    Object 1 Probability TrendNot Available

    UHETSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4185

    No nearby objects data