Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/29/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 01/30/2023 19:32:40 -70.39, 62.76 92.00 01/30/2023 19:33:43 -70.39, 62.75 92.01 0.24 63
2 01/30/2023 20:23:24 70.28,-129.76 87.87 01/30/2023 20:23:07 70.26,-129.77 87.86 2.02 17
3 01/30/2023 21:13:52 -69.45, 38.80 93.01 01/30/2023 21:12:44 -69.53, 36.87 92.84 75.48 68
4 02/02/2023 08:26:34 -70.43,-130.79 92.67 02/02/2023 08:27:41 -70.41,-130.73 92.71 3.31 67
5 02/02/2023 09:17:17 70.27, 36.78 87.15 02/02/2023 09:17:05 70.27, 36.73 87.16 1.87 12
6 02/02/2023 10:07:49 -69.65,-154.97 93.51 02/02/2023 10:06:39 -69.72,-156.39 93.38 55.33 70
7 02/04/2023 21:20:26 -70.43, 35.74 93.42 02/04/2023 21:21:38 -70.41, 35.75 93.46 2.80 72
8 02/04/2023 22:11:10 70.32,-156.78 86.46 02/04/2023 22:11:01 70.32,-156.72 86.45 2.40 9
9 02/04/2023 23:01:44 -69.81, 11.32 94.10 02/04/2023 23:00:33 -69.88, 10.31 93.97 39.36 71
10 02/07/2023 10:14:22 -70.59,-158.00 94.02 02/07/2023 10:15:33 -70.54,-157.56 94.10 16.99 71
11 02/07/2023 11:05:03 70.33, 9.73 85.70 02/07/2023 11:04:58 70.34, 9.80 85.70 2.61 5
12 02/07/2023 11:55:40 -69.97, 177.60 94.70 02/07/2023 11:54:28 -70.01, 176.99 94.62 23.57 72
13 02/09/2023 23:08:17 -70.71, 8.34 94.70 02/09/2023 23:09:29 -70.60, 9.01 94.85 27.80 72
14 02/09/2023 23:58:56 70.35, 176.23 84.91 02/09/2023 23:58:55 70.33, 176.28 84.89 2.72 1
15 02/10/2023 00:49:35 -70.09, -16.06 95.38 02/10/2023 00:48:23 -70.13, -16.36 95.32 12.08 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/29/2023
SNOs_Map_NOAA-21_TERRA_20230129.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/29/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA