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: 8/4/2023
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 08/05/2023 21:06:31 -71.75, 36.71 124.99 08/05/2023 21:07:38 -71.66, 39.22 125.21 88.06 67
2 08/05/2023 21:57:00 70.87,-154.44 54.07 08/05/2023 21:57:14 70.85,-154.41 54.05 2.79 14
3 08/05/2023 22:47:42 -70.78, 13.03 126.02 08/05/2023 22:46:39 -70.76, 13.11 126.03 3.55 63
4 08/08/2023 10:00:07 -70.92,-155.29 125.19 08/08/2023 10:01:12 -70.92,-155.33 125.20 1.36 65
5 08/08/2023 10:50:51 70.81, 12.19 54.71 08/08/2023 10:50:35 70.81, 12.17 54.71 0.75 16
6 08/08/2023 11:41:20 -70.03,-179.27 126.11 08/08/2023 11:40:12 -70.06, 178.73 125.98 76.04 68
7 08/10/2023 22:53:59 -70.91, 11.24 124.46 08/10/2023 22:54:32 -70.90, 11.29 124.49 2.29 33
8 08/10/2023 23:44:43 70.81, 178.72 55.44 08/10/2023 23:43:55 70.79, 178.79 55.43 3.37 48
9 08/13/2023 10:57:13 71.23, 9.92 56.62 08/13/2023 10:58:24 71.11, 10.61 56.46 27.86 71
10 08/13/2023 11:47:50 -70.87, 177.85 123.76 08/13/2023 11:47:52 -70.85, 177.86 123.77 1.70 2
11 08/13/2023 12:38:30 70.56, -14.34 55.93 08/13/2023 12:37:17 70.64, -14.80 56.04 19.12 73
12 08/15/2023 23:50:59 70.93, 176.95 57.08 08/15/2023 23:51:46 70.93, 176.97 57.07 0.69 47
13 08/16/2023 00:41:41 -70.83, -15.56 123.02 08/16/2023 00:41:11 -70.83, -15.53 123.01 1.32 30

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/4/2023
SNOs_Map_NOAA-21_TERRA_20230804.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/04/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA