Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 6 22.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-15) NOAA-15 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2021   02:51:15   ( -81.02,  -5.68) 06/26/2021   02:50:00  ( -81.01,  -5.81)    2.53                75
 06/26/2021   03:41:47   (  81.02, 161.70) 06/26/2021   03:40:39  (  81.02, 161.75)    0.93                68
 06/26/2021   04:32:17   ( -81.02, -30.87) 06/26/2021   04:31:21  ( -81.02, -30.94)    1.28                56
 06/26/2021   05:22:49   (  81.02, 136.52) 06/26/2021   05:22:00  (  81.03, 136.62)    2.10                49
 06/26/2021   06:13:19   ( -81.01, -56.05) 06/26/2021   06:12:42  ( -81.03, -56.08)    1.43                37
 06/26/2021   07:03:52   (  81.03, 110.97) 06/26/2021   07:03:22  (  81.02, 111.11)    2.72                30
 06/26/2021   07:54:22   ( -81.03, -81.61) 06/26/2021   07:54:04  ( -81.02, -81.58)    0.98                18
 06/26/2021   08:44:54   (  81.03,  85.79) 06/26/2021   08:44:43  (  81.03,  85.98)    3.35                11
 06/26/2021   09:35:24   ( -81.02,-106.79) 06/26/2021   09:35:25  ( -81.03,-106.71)    1.45                 1
 06/26/2021   10:25:56   (  81.02,  60.61) 06/26/2021   10:26:05  (  81.02,  60.48)    2.25                 9
 06/26/2021   11:16:27   ( -81.04,-132.35) 06/26/2021   11:16:47  ( -81.02,-132.22)    2.84                20
 06/26/2021   12:06:58   (  81.02,  35.43) 06/26/2021   12:07:26  (  81.03,  35.34)    1.96                28
 06/26/2021   12:57:29   ( -81.03,-157.53) 06/26/2021   12:58:08  ( -81.03,-157.35)    3.17                39
 06/26/2021   13:48:01   (  81.03,   9.88) 06/26/2021   13:48:48  (  81.02,   9.84)    1.06                47
 06/26/2021   14:38:31   ( -81.03, 177.28) 06/26/2021   14:39:30  ( -81.02, 177.15)    2.47                59
 06/26/2021   15:29:03   (  81.03, -15.31) 06/26/2021   15:30:09  (  81.03, -15.29)    0.54                66