Simultaneous Nadir Overpasses (SNOs) Predictions  
  Prediction of SNOs between METOP-B and NPP Satellite Orbit: 
  Table of predicted SNOs for the next  14.0 days since TLE Epoch: 1/18/2021
  | Index | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) | 
  
 | 1 | 01/24/2021 | 18:18:20 | -73.48,  78.89 | 87.38 | 01/24/2021 | 18:17:13 | -73.46,  75.94 | 87.24 | 93.57 | 67 | 
 | 2 | 01/24/2021 | 19:09:04 | 73.25,-114.29 | 92.41 | 01/24/2021 | 19:07:55 | 73.27,-116.34 | 92.56 | 65.87 | 69 | 
 | 3 | 01/24/2021 | 19:59:48 | -73.16,  52.84 | 87.68 | 01/24/2021 | 19:58:37 | -73.16,  51.22 | 87.58 | 52.21 | 71 | 
 | 4 | 01/24/2021 | 20:50:31 | 72.98,-140.22 | 92.15 | 01/24/2021 | 20:49:19 | 72.98,-141.07 | 92.21 | 27.80 | 72 | 
 | 5 | 01/24/2021 | 21:41:15 | -72.89,  26.92 | 87.94 | 01/24/2021 | 21:40:01 | -72.86,  26.48 | 87.93 | 14.71 | 74 | 
 | 6 | 01/24/2021 | 22:31:57 | 72.76,-166.02 | 91.94 | 01/24/2021 | 22:30:45 | 72.78,-166.03 | 91.98 | 1.97 | 72 | 
 | 7 | 01/24/2021 | 23:22:39 | -72.77,   1.33 | 88.06 | 01/24/2021 | 23:21:29 | -72.77,   1.31 | 88.05 | 0.91 | 70 | 
 | 8 | 01/25/2021 | 00:13:19 | 72.74, 168.60 | 91.91 | 01/25/2021 | 00:12:14 | 72.73, 168.69 | 91.91 | 3.30 | 65 | 
 | 9 | 01/25/2021 | 01:04:01 | -72.75, -24.05 | 88.10 | 01/25/2021 | 01:02:59 | -72.77, -24.08 | 88.06 | 2.23 | 62 | 
 | 10 | 01/25/2021 | 01:54:41 | 72.72, 143.22 | 91.87 | 01/25/2021 | 01:53:44 | 72.74, 143.31 | 91.90 | 3.47 | 57 | 
 | 11 | 01/25/2021 | 02:45:23 | -72.74, -49.43 | 88.13 | 01/25/2021 | 02:44:28 | -72.73, -49.36 | 88.13 | 2.60 | 55 | 
 | 12 | 01/25/2021 | 03:36:02 | 72.75, 117.94 | 91.88 | 01/25/2021 | 03:35:14 | 72.74, 117.92 | 91.89 | 1.35 | 48 | 
 | 13 | 01/25/2021 | 04:26:45 | -72.72, -74.81 | 88.16 | 01/25/2021 | 04:25:58 | -72.73, -74.74 | 88.14 | 2.89 | 47 | 
 | 14 | 01/25/2021 | 05:17:24 | 72.73,  92.56 | 91.85 | 01/25/2021 | 05:16:44 | 72.75,  92.54 | 91.87 | 1.73 | 40 | 
 | 15 | 01/25/2021 | 06:08:06 | -72.75,-100.09 | 88.15 | 01/25/2021 | 06:07:28 | -72.74,-100.13 | 88.15 | 1.79 | 38 | 
 | 16 | 01/25/2021 | 06:58:46 | 72.71,  67.18 | 91.81 | 01/25/2021 | 06:58:13 | 72.70,  67.26 | 91.81 | 2.86 | 33 | 
 | 17 | 01/25/2021 | 07:49:28 | -72.73,-125.46 | 88.19 | 01/25/2021 | 07:48:58 | -72.74,-125.51 | 88.16 | 2.17 | 30 | 
 | 18 | 01/25/2021 | 08:40:08 | 72.69,  41.80 | 91.78 | 01/25/2021 | 08:39:43 | 72.71,  41.87 | 91.79 | 2.67 | 25 | 
 | 19 | 01/25/2021 | 09:30:50 | -72.71,-150.84 | 88.22 | 01/25/2021 | 09:30:27 | -72.70,-150.79 | 88.23 | 2.24 | 23 | 
 | 20 | 01/25/2021 | 10:21:29 | 72.73,  16.53 | 91.79 | 01/25/2021 | 10:21:13 | 72.71,  16.49 | 91.78 | 2.09 | 16 | 
 | 21 | 01/25/2021 | 11:12:12 | -72.69,-176.22 | 88.25 | 01/25/2021 | 11:11:57 | -72.70,-176.18 | 88.24 | 2.00 | 15 | 
 | 22 | 01/25/2021 | 12:02:51 | 72.71,  -8.85 | 91.76 | 01/25/2021 | 12:02:43 | 72.72,  -8.90 | 91.77 | 1.84 | 8 | 
 | 23 | 01/25/2021 | 12:53:33 | -72.72, 158.50 | 88.24 | 01/25/2021 | 12:53:27 | -72.71, 158.44 | 88.25 | 2.68 | 6 | 
 | 24 | 01/25/2021 | 13:44:13 | 72.69, -34.23 | 91.72 | 01/25/2021 | 13:44:12 | 72.67, -34.18 | 91.70 | 2.58 | 1 | 
 | 25 | 01/25/2021 | 14:34:55 | -72.70, 133.12 | 88.28 | 01/25/2021 | 14:34:57 | -72.71, 133.05 | 88.27 | 2.46 | 2 | 
 | 26 | 01/25/2021 | 15:25:35 | 72.67, -59.61 | 91.69 | 01/25/2021 | 15:25:42 | 72.68, -59.56 | 91.69 | 1.85 | 7 | 
 | 27 | 01/25/2021 | 16:16:17 | -72.68, 107.74 | 88.31 | 01/25/2021 | 16:16:26 | -72.67, 107.77 | 88.33 | 2.20 | 9 | 
 | 28 | 01/25/2021 | 17:06:56 | 72.70, -84.89 | 91.70 | 01/25/2021 | 17:07:12 | 72.68, -84.95 | 91.68 | 2.87 | 16 | 
 | 29 | 01/25/2021 | 17:57:39 | -72.66,  82.36 | 88.35 | 01/25/2021 | 17:57:56 | -72.67,  82.39 | 88.35 | 1.10 | 17 | 
 | 30 | 01/25/2021 | 18:48:18 | 72.68,-110.27 | 91.66 | 01/25/2021 | 18:48:42 | 72.69,-110.33 | 91.67 | 2.28 | 24 | 
 | 31 | 01/25/2021 | 19:39:01 | -72.65,  56.98 | 88.38 | 01/25/2021 | 19:39:26 | -72.68,  57.00 | 88.36 | 3.47 | 25 | 
 | 32 | 01/25/2021 | 20:29:40 | 72.66,-135.65 | 91.63 | 01/25/2021 | 20:30:11 | 72.64,-135.61 | 91.60 | 2.52 | 31 | 
 | 33 | 01/25/2021 | 21:20:22 | -72.68,  31.71 | 88.37 | 01/25/2021 | 21:20:56 | -72.68,  31.62 | 88.37 | 3.02 | 34 | 
 | 34 | 01/25/2021 | 22:11:02 | 72.64,-161.03 | 91.59 | 01/25/2021 | 22:11:41 | 72.65,-161.00 | 91.59 | 1.03 | 39 | 
 | 35 | 01/25/2021 | 23:01:44 | -72.66,   6.33 | 88.41 | 01/25/2021 | 23:02:25 | -72.64,   6.34 | 88.44 | 2.49 | 41 | 
 | 36 | 01/25/2021 | 23:52:24 | 72.62, 173.59 | 91.56 | 01/25/2021 | 23:53:11 | 72.65, 173.62 | 91.58 | 3.27 | 47 | 
 | 37 | 01/26/2021 | 00:43:06 | -72.64, -19.05 | 88.44 | 01/26/2021 | 00:43:55 | -72.64, -19.05 | 88.45 | 0.22 | 49 | 
 | 38 | 01/26/2021 | 01:33:45 | 72.65, 148.32 | 91.57 | 01/26/2021 | 01:34:41 | 72.66, 148.23 | 91.56 | 2.89 | 56 | 
 | 39 | 01/26/2021 | 02:24:28 | -72.62, -44.43 | 88.47 | 01/26/2021 | 02:25:25 | -72.65, -44.43 | 88.46 | 2.90 | 57 | 
 | 40 | 01/26/2021 | 03:15:07 | 72.63, 122.94 | 91.54 | 01/26/2021 | 03:16:10 | 72.61, 122.95 | 91.50 | 2.72 | 63 | 
 | 41 | 01/26/2021 | 04:05:50 | -72.60, -69.81 | 88.51 | 01/26/2021 | 04:06:54 | -72.60, -69.71 | 88.53 | 3.13 | 64 | 
 | 42 | 01/26/2021 | 04:56:29 | 72.62,  97.56 | 91.50 | 01/26/2021 | 04:57:40 | 72.62,  97.57 | 91.48 | 0.21 | 71 | 
 | 43 | 01/26/2021 | 05:47:11 | -72.63, -95.08 | 88.50 | 01/26/2021 | 05:48:24 | -72.60, -95.10 | 88.54 | 3.04 | 73 | 
 | 44 | 01/26/2021 | 06:37:55 | 72.39,  71.77 | 91.29 | 01/26/2021 | 06:39:07 | 72.47,  72.49 | 91.31 | 25.60 | 72 | 
 | 45 | 01/26/2021 | 07:28:38 | -72.36,-120.97 | 88.76 | 01/26/2021 | 07:29:50 | -72.41,-120.07 | 88.78 | 30.68 | 72 | 
 | 46 | 01/26/2021 | 08:19:22 | 72.12,  45.89 | 91.03 | 01/26/2021 | 08:20:31 | 72.17,  47.71 | 90.96 | 62.16 | 69 | 
 | 47 | 01/26/2021 | 09:10:06 | -72.03,-146.94 | 89.06 | 01/26/2021 | 09:11:14 | -72.11,-144.86 | 89.12 | 71.69 | 68 | 
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 1/18/2021 
 Download SNOs between METOP-B and NPP since TLE EPOCH: 01/18/2021 in txt file. 
 Historial Predications of SNOs between METOP-B and NPP
 Download SNOs between METOP-B and NPP since TLE EPOCH: 01/18/2021 in txt file. 
 Historial Predications of SNOs between METOP-B and NPP