Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.075505E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:43:09+0800
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    1 Object 1

    Name NESS
    AOE ID 58020
    NORAD ID 58020
    Object Type PAYLOAD
    Country
    FR FR
    ← VS →

    2 Object 2

    AOE ID 59220
    NORAD ID 59220
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NESS STARLINK-31523
    Time of Closest Approach 2026-10-23T04:18:37+0000
    Collision Probability (Pc) 1.075505E-5
    Conjunction Distance (km) 1.296 km
    Relative Speed (km/s) 14.306 km/s
    Conjunction Risk Parameters R (Radial): -0.579 | I (In-track): -0.413 | C (Cross-track): -1.082
    Collision Risk Index (CRI) 0.56
    X Position (km) -4507.216 -4507.032
    Position Y (km) -2748.808 -2747.529
    Position Z (km) 4342.137 4342.227
    Velocity X (km/s) -4.77 5.703
    Velocity Y (km/s) -1.38 -3.47
    Velocity Z (km/s) -5.805 3.713

    Orbital Parameters 国际轨道数据源

    Parameter NESS STARLINK-31523
    Semimajor Axis (a) 6842.428 km 6840.892 km
    Eccentricity (e) 0.000646 0.000163
    Inclination (i) 97.5861° 53.1576°
    RAAN 22.0438° 188.2542°
    Perigee Argument 115.0910° 92.3415°
    Mean Anomaly (M) 245.1003° 267.7774°
    Apogee 468.713 km 463.874 km
    Perigee 459.869 km 461.636 km
    Orbit Epoch 2026-10-20T05:14:56+0000 2026-10-19T23:28:57+0000

    NESS & STARLINK-31523 Collision Probability (Pc) Trend

    NESS & STARLINK-31523 Collision Probability (Pc) TrendNot Available

    NESS & STARLINK-31523 Miss Distance (Miss Distance) Trend

    NESS & STARLINK-31523 Miss Distance (Miss Distance) TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31523Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NESSCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31523Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NESS

    No nearby objects data