Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.086697E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:01:11+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 NESS
    AOE ID 58020
    NORAD ID 58020
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter STARLINK-5991 NESS
    Time of Closest Approach 2026-10-27T20:03:31+0000
    Collision Probability (Pc) 2.086697E-6
    Conjunction Distance (km) 2.119 km
    Relative Speed (km/s) 11.2 km/s
    Conjunction Risk Parameters R (Radial): -1.238 | I (In-track): 1.157 | C (Cross-track): 1.272
    Collision Risk Index (CRI) 0.41
    X Position (km) 382.121 380.559
    Position Y (km) 1251.749 1252.516
    Position Z (km) -6726.031 -6727.238
    Velocity X (km/s) 3.207 6.607
    Velocity Y (km/s) -6.821 3.633
    Velocity Z (km/s) -1.088 1.051

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5991 NESS
    Semimajor Axis (a) 6843.702 km 6841.729 km
    Eccentricity (e) 0.000165 0.000647
    Inclination (i) 97.2840° 97.5866°
    RAAN 293.2394° 28.8108°
    Perigee Argument 92.9559° 96.2578°
    Mean Anomaly (M) 267.1873° 263.9402°
    Apogee 466.695 km 468.023 km
    Perigee 464.435 km 459.161 km
    Orbit Epoch 2026-10-26T22:33:41+0000 2026-10-26T19:22:10+0000

    STARLINK-5991 & NESS Collision Probability (Pc) Trend

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

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

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

    STARLINK-5991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5991Collision Probability Trend

    Object 1 Probability TrendNot Available

    NESSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5991

    No nearby objects data