Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-A and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/18/2021
| Index | Date (METOP-A) | Time (METOP-A) | Lat,Lon (METOP-A) | SZA (METOP-A ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 11/30/2021 | 13:55:49 | 77.61, -49.22 | 99.81 | 11/30/2021 | 13:54:39 | 77.57, -51.19 | 99.92 | 47.11 | 70 |
| 2 | 11/30/2021 | 14:46:33 | -77.37, 117.08 | 80.36 | 11/30/2021 | 14:45:19 | -77.38, 116.98 | 80.32 | 2.87 | 74 |
| 3 | 11/30/2021 | 15:37:11 | 77.36, -75.62 | 99.65 | 11/30/2021 | 15:36:04 | 77.36, -75.60 | 99.66 | 0.66 | 67 |
| 4 | 11/30/2021 | 16:27:50 | -77.34, 91.63 | 80.37 | 11/30/2021 | 16:26:48 | -77.34, 91.79 | 80.36 | 4.05 | 62 |
| 5 | 11/30/2021 | 17:18:27 | 77.37,-100.89 | 99.67 | 11/30/2021 | 17:17:34 | 77.36,-100.97 | 99.68 | 2.39 | 53 |
| 6 | 11/30/2021 | 18:09:06 | -77.35, 66.35 | 80.35 | 11/30/2021 | 18:08:18 | -77.34, 66.41 | 80.34 | 1.67 | 48 |
| 7 | 11/30/2021 | 18:59:44 | 77.34,-126.35 | 99.66 | 11/30/2021 | 18:59:04 | 77.36,-126.35 | 99.69 | 2.32 | 40 |
| 8 | 11/30/2021 | 19:50:22 | -77.36, 41.08 | 80.33 | 11/30/2021 | 19:49:48 | -77.34, 41.04 | 80.33 | 2.20 | 34 |
| 9 | 11/30/2021 | 20:41:00 | 77.35,-151.62 | 99.68 | 11/30/2021 | 20:40:34 | 77.36,-151.73 | 99.70 | 2.87 | 26 |
| 10 | 11/30/2021 | 21:31:39 | -77.33, 15.62 | 80.34 | 11/30/2021 | 21:31:18 | -77.34, 15.66 | 80.32 | 1.99 | 21 |
| 11 | 11/30/2021 | 22:22:17 | 77.32,-177.08 | 99.67 | 11/30/2021 | 22:22:03 | 77.32,-176.92 | 99.66 | 3.89 | 14 |
| 12 | 11/30/2021 | 23:12:55 | -77.34, -9.65 | 80.32 | 11/30/2021 | 23:12:48 | -77.34, -9.72 | 80.31 | 1.81 | 7 |
| 13 | 12/01/2021 | 00:03:33 | 77.33, 157.65 | 99.68 | 12/01/2021 | 00:03:33 | 77.32, 157.70 | 99.67 | 1.69 | 0 |
| 14 | 12/01/2021 | 00:54:11 | -77.35, -34.92 | 80.30 | 12/01/2021 | 00:54:18 | -77.34, -35.10 | 80.30 | 4.26 | 7 |
| 15 | 12/01/2021 | 01:44:49 | 77.34, 132.38 | 99.70 | 12/01/2021 | 01:45:03 | 77.32, 132.33 | 99.68 | 2.59 | 14 |
| 16 | 12/01/2021 | 02:35:28 | -77.32, -60.38 | 80.31 | 12/01/2021 | 02:35:47 | -77.30, -60.29 | 80.34 | 2.74 | 19 |
| 17 | 12/01/2021 | 03:26:06 | 77.31, 106.92 | 99.69 | 12/01/2021 | 03:26:33 | 77.32, 106.95 | 99.70 | 1.58 | 27 |
| 18 | 12/01/2021 | 04:16:44 | -77.33, -85.65 | 80.29 | 12/01/2021 | 04:17:17 | -77.30, -85.66 | 80.32 | 2.67 | 33 |
| 19 | 12/01/2021 | 05:07:22 | 77.32, 81.65 | 99.71 | 12/01/2021 | 05:08:03 | 77.32, 81.57 | 99.71 | 1.98 | 41 |
| 20 | 12/01/2021 | 05:58:01 | -77.29,-111.11 | 80.30 | 12/01/2021 | 05:58:47 | -77.30,-111.04 | 80.31 | 1.97 | 46 |
| 21 | 12/01/2021 | 06:48:39 | 77.28, 56.20 | 99.70 | 12/01/2021 | 06:49:33 | 77.32, 56.19 | 99.72 | 3.99 | 54 |
| 22 | 12/01/2021 | 07:39:17 | -77.30,-136.38 | 80.29 | 12/01/2021 | 07:40:17 | -77.30,-136.42 | 80.30 | 0.90 | 60 |
| 23 | 12/01/2021 | 08:29:54 | 77.30, 30.92 | 99.72 | 12/01/2021 | 08:31:01 | 77.28, 31.00 | 99.68 | 2.76 | 67 |
| 24 | 12/01/2021 | 09:20:32 | -77.32,-161.66 | 80.27 | 12/01/2021 | 09:21:46 | -77.30,-161.80 | 80.29 | 3.65 | 74 |
| 25 | 12/01/2021 | 10:11:17 | 77.00, 4.40 | 99.53 | 12/01/2021 | 10:12:25 | 77.02, 6.73 | 99.37 | 58.36 | 68 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 11/18/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 11/18/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP