Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.585967E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:48:20+0800
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    1 Object 1

    AOE ID 53612
    NORAD ID 53612
    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-4658 NESS
    Time of Closest Approach 2026-10-20T18:00:28+0000
    Collision Probability (Pc) 1.585967E-6
    Conjunction Distance (km) 2.445 km
    Relative Speed (km/s) 11.652 km/s
    Conjunction Risk Parameters R (Radial): 2.302 | I (In-track): -0.537 | C (Cross-track): -0.623
    Collision Risk Index (CRI) 0.39
    X Position (km) 4009.961 4011.93
    Position Y (km) 880.598 880.517
    Position Z (km) 5461.977 5463.424
    Velocity X (km/s) -1.978 -5.464
    Velocity Y (km/s) 7.374 -2.917
    Velocity Z (km/s) 0.262 4.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4658 NESS
    Semimajor Axis (a) 6840.836 km 6842.452 km
    Eccentricity (e) 0.000116 0.000643
    Inclination (i) 53.1595° 97.5861°
    RAAN 293.2630° 21.7759°
    Perigee Argument 89.2776° 116.0340°
    Mean Anomaly (M) 270.8359° 244.1565°
    Apogee 463.491 km 468.715 km
    Perigee 461.907 km 459.915 km
    Orbit Epoch 2026-10-19T07:14:12+0000 2026-10-19T22:59:10+0000

    STARLINK-4658 & NESS Collision Probability (Pc) Trend

    STARLINK-4658 & NESS Collision Probability (Pc) TrendNot Available

    STARLINK-4658 & NESS Miss Distance (Miss Distance) Trend

    STARLINK-4658 & NESS Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4658Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4658Collision Probability Trend

    Object 1 Probability TrendNot Available

    NESSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4658

    No nearby objects data