Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.526482E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:41:27+0800
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    1 Object 1

    AOE ID 53178
    NORAD ID 53178
    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-4280 NESS
    Time of Closest Approach 2026-10-27T21:05:50+0000
    Collision Probability (Pc) 2.526482E-5
    Conjunction Distance (km) 1.02 km
    Relative Speed (km/s) 14.672 km/s
    Conjunction Risk Parameters R (Radial): -0.996 | I (In-track): -0.053 | C (Cross-track): 0.206
    Collision Risk Index (CRI) 0.63
    X Position (km) -5283.25 -5282.554
    Position Y (km) -3446.564 -3445.882
    Position Z (km) 2645.826 2645.526
    Velocity X (km/s) 4.599 -3.057
    Velocity Y (km/s) -2.927 -0.689
    Velocity Z (km/s) 5.349 -6.965

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4280 NESS
    Semimajor Axis (a) 6843.370 km 6841.729 km
    Eccentricity (e) 0.000146 0.000647
    Inclination (i) 53.1620° 97.5866°
    RAAN 198.1642° 28.8108°
    Perigee Argument 91.2233° 96.2578°
    Mean Anomaly (M) 268.8937° 263.9402°
    Apogee 466.234 km 468.023 km
    Perigee 464.232 km 459.161 km
    Orbit Epoch 2026-10-27T03:46:00+0000 2026-10-26T19:22:10+0000

    STARLINK-4280 & NESS Collision Probability (Pc) Trend

    STARLINK-4280 & NESS Collision Probability (Pc) TrendNot Available

    STARLINK-4280 & NESS Miss Distance (Miss Distance) Trend

    STARLINK-4280 & NESS Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4280Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4280Collision Probability Trend

    Object 1 Probability TrendNot Available

    NESSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4280

    No nearby objects data