Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.605374E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-07-21T00:33:04+0800
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    1 Object 1

    AOE ID 40447
    NORAD ID 40447
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 41304
    NORAD ID 41304
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB NOAA 16 DEB
    Time of Closest Approach 2026-07-21T02:15:49+0800
    Collision Probability (Pc) 7.605374E-7
    Miss Distance (km) 2.267 km
    Position X (km) 2714.446 2715.816
    Position Y (km) 1578.106 1576.491
    Position Z (km) -6440.064 -6440.871
    Velocity X (km/s) -4.155 6.751
    Velocity Y (km/s) -5.372 0.819
    Velocity Z (km/s) -3.072 3.026

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB NOAA 16 DEB
    Semimajor Axis (a) 7164.494 km 7146.100 km
    Eccentricity (e) 0.001063 0.003216
    Inclination (i) 98.6377° 99.0798°
    RAAN 227.5964° 7.7697°
    Perigee Argument 223.5257° 180.6562°
    Mean Anomaly (M) 136.5088° 179.4586°
    Apogee 793.973 km 790.948 km
    Perigee 778.741 km 744.978 km
    Orbit Epoch 2026-07-20T08:20:49+0800 2026-07-18T01:02:57+0800

    DMSP 5D-2 F13 DEB & NOAA 16 DEB Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & NOAA 16 DEB Miss Distance (Md) Trend

    DMSP 5D-2 F13 DEB & NOAA 16 DEB Miss Distance (Md) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data