Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.0289E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:35:17+0800
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    1 Object 1

    AOE ID 56331
    NORAD ID 56331
    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-5991 UHETSAT
    Time of Closest Approach 2026-10-30T00:32:11+0000
    Collision Probability (Pc) 1.0289E-6
    Conjunction Distance (km) 2.955 km
    Relative Speed (km/s) 9.01 km/s
    Conjunction Risk Parameters R (Radial): -2.905 | I (In-track): -0.438 | C (Cross-track): 0.307
    Collision Risk Index (CRI) 0.35
    X Position (km) -488.336 -489.024
    Position Y (km) -961.04 -961.214
    Position Z (km) 6749.607 6752.476
    Velocity X (km/s) -3.447 -7.513
    Velocity Y (km/s) 6.775 -1.136
    Velocity Z (km/s) 0.714 -0.714

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5991 UHETSAT
    Semimajor Axis (a) 6843.702 km 6845.917 km
    Eccentricity (e) 0.000165 0.001207
    Inclination (i) 97.2840° 97.3334°
    RAAN 293.2394° 6.5585°
    Perigee Argument 92.9559° 192.6210°
    Mean Anomaly (M) 267.1873° 167.4731°
    Apogee 466.695 km 476.041 km
    Perigee 464.435 km 459.519 km
    Orbit Epoch 2026-10-26T22:33:41+0000 2026-10-27T06:18:46+0000

    STARLINK-5991 & UHETSAT Collision Probability (Pc) Trend

    STARLINK-5991 & UHETSAT Collision Probability (Pc) TrendNot Available

    STARLINK-5991 & UHETSAT Miss Distance (Miss Distance) Trend

    STARLINK-5991 & UHETSAT Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UHETSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5991Collision Probability Trend

    Object 1 Probability TrendNot Available

    UHETSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5991

    No nearby objects data