Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.695193E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T12:03:16+0800
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    1 Object 1

    AOE ID 42357
    NORAD ID 42357
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66293
    NORAD ID 66293
    Object Type PAYLOAD
    Country
    KR KR

    Conjunction Constraints

    Parameter NOAA 16 DEB KORSAT-4
    Time of Closest Approach 2026-10-23T06:04:22+0000
    Collision Probability (Pc) 3.695193E-5
    Conjunction Distance (km) 0.885 km
    Relative Speed (km/s) 12.73 km/s
    Conjunction Risk Parameters R (Radial): 0.58 | I (In-track): -0.368 | C (Cross-track): -0.557
    Collision Risk Index (CRI) 0.66
    X Position (km) -1572.368 -1572.793
    Position Y (km) 4740.856 4740.619
    Position Z (km) -4835.956 -4835.217
    Velocity X (km/s) -0.092 -6.672
    Velocity Y (km/s) 5.388 -3.385
    Velocity Z (km/s) 5.315 -1.149

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB KORSAT-4
    Semimajor Axis (a) 6951.185 km 6948.618 km
    Eccentricity (e) 0.000611 0.000083
    Inclination (i) 98.7826° 45.4073°
    RAAN 95.9949° 231.0581°
    Perigee Argument 318.1133° 260.2730°
    Mean Anomaly (M) 41.9619° 99.8055°
    Apogee 577.293 km 571.056 km
    Perigee 568.803 km 569.906 km
    Orbit Epoch 2026-10-19T22:07:45+0000 2026-10-20T06:32:41+0000

    NOAA 16 DEB & KORSAT-4 Collision Probability (Pc) Trend

    NOAA 16 DEB & KORSAT-4 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & KORSAT-4 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & KORSAT-4 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KORSAT-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KORSAT-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data