Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.708118E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:44:39+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 58986
    NORAD ID 58986
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NESS STARLINK-31229
    Time of Closest Approach 2026-10-21T20:35:42+0000
    Collision Probability (Pc) 1.708118E-6
    Conjunction Distance (km) 2.181 km
    Relative Speed (km/s) 8.982 km/s
    Conjunction Risk Parameters R (Radial): -2.166 | I (In-track): -0.197 | C (Cross-track): 0.148
    Collision Risk Index (CRI) 0.4
    X Position (km) 4517.971 4516.724
    Position Y (km) 1261.916 1261.457
    Position Z (km) 4972.692 4970.963
    Velocity X (km/s) -4.864 -4.4
    Velocity Y (km/s) -2.884 5.703
    Velocity Z (km/s) 5.133 2.543

    Orbital Parameters 国际轨道数据源

    Parameter NESS STARLINK-31229
    Semimajor Axis (a) 6842.551 km 6840.893 km
    Eccentricity (e) 0.000642 0.000169
    Inclination (i) 97.5858° 53.1586°
    RAAN 20.7711° 335.5168°
    Perigee Argument 119.0672° 108.4026°
    Mean Anomaly (M) 241.1213° 251.7160°
    Apogee 468.806 km 463.912 km
    Perigee 460.022 km 461.600 km
    Orbit Epoch 2026-10-18T23:30:02+0000 2026-10-19T04:13:03+0000

    NESS & STARLINK-31229 Collision Probability (Pc) Trend

    NESS & STARLINK-31229 Collision Probability (Pc) TrendNot Available

    NESS & STARLINK-31229 Miss Distance (Miss Distance) Trend

    NESS & STARLINK-31229 Miss Distance (Miss Distance) TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31229Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NESSCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31229Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NESS

    No nearby objects data