Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/15/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/17/2023 09:56:36 -71.51,-155.00 118.95 04/17/2023 09:57:42 -71.42,-152.52 119.12 88.50 66
2 04/17/2023 10:47:05 70.62, 13.82 60.11 04/17/2023 10:47:18 70.62, 13.91 60.10 3.07 13
3 04/17/2023 11:37:46 -70.47,-178.62 120.06 04/17/2023 11:36:44 -70.48,-178.65 120.05 0.93 62
4 04/19/2023 22:50:17 -70.68, 12.93 120.70 04/19/2023 22:51:29 -70.70, 12.95 120.70 1.43 72
5 04/19/2023 23:41:01 70.57,-179.58 59.17 04/19/2023 23:40:53 70.55,-179.61 59.15 3.12 8
6 04/20/2023 00:31:35 -70.06, -11.46 121.38 04/20/2023 00:30:24 -70.13, -12.56 121.27 42.42 71
7 04/22/2023 11:44:12 -70.65, 179.51 121.61 04/22/2023 11:45:02 -70.64, 179.46 121.62 2.00 50
8 04/22/2023 12:34:56 70.54, -13.01 58.27 04/22/2023 12:34:25 70.55, -13.02 58.28 1.31 31
9 04/25/2023 00:38:09 -70.67, -14.01 122.43 04/25/2023 00:38:34 -70.66, -13.93 122.45 3.29 25
10 04/25/2023 01:28:52 70.51, 153.56 57.40 04/25/2023 01:27:58 70.51, 153.51 57.40 1.66 54
11 04/27/2023 12:41:27 70.96, -15.29 57.07 04/27/2023 12:42:38 70.89, -14.64 56.97 24.91 71
12 04/27/2023 13:32:04 -70.60, 152.63 123.33 04/27/2023 13:32:07 -70.58, 152.55 123.34 3.38 3
13 04/27/2023 14:22:44 70.28, -39.56 56.34 04/27/2023 14:21:32 70.38, -40.09 56.45 22.19 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_NOAA-20_TERRA_20230416.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA