Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.406407E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T17:18:15+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 64870
    NORAD ID 64870
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB TRACERS 1
    Time of Closest Approach 2026-09-10T12:10:20+0000
    Collision Probability (Pc) 1.406407E-6
    Conjunction Distance (km) 2.583 km
    Relative Speed (km/s) 11.174 km/s
    Conjunction Risk Parameters R (Radial): 2.23 | I (In-track): 0.876 | C (Cross-track): -0.964
    Collision Risk Index (CRI) 0.38
    X Position (km) -179.541 -180.784
    Position Y (km) 1476.578 1476.026
    Position Z (km) -6813.678 -6811.483
    Velocity X (km/s) 4.748 5.387
    Velocity Y (km/s) 5.759 -5.14
    Velocity Z (km/s) 1.121 -1.253

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB TRACERS 1
    Semimajor Axis (a) 6964.188 km 6964.633 km
    Eccentricity (e) 0.000592 0.000493
    Inclination (i) 98.7857° 97.6609°
    RAAN 49.2963° 314.2818°
    Perigee Argument 137.3191° 352.0182°
    Mean Anomaly (M) 222.8487° 8.0959°
    Apogee 590.177 km 589.929 km
    Perigee 581.925 km 583.063 km
    Orbit Epoch 2026-09-08T05:53:01+0000 2026-09-09T17:19:29+0000

    NOAA 16 DEB & TRACERS 1 Collision Probability (Pc) Trend

    NOAA 16 DEB & TRACERS 1 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & TRACERS 1 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & TRACERS 1 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TRACERS 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TRACERS 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data