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: 4/15/2023
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 04/16/2023 19:57:19 71.14,-124.78 60.88 04/16/2023 19:58:28 71.00,-123.33 60.69 54.80 69
2 04/16/2023 20:47:51 -70.53, 43.54 119.77 04/16/2023 20:48:00 -70.53, 43.62 119.78 3.04 9
3 04/16/2023 21:38:34 70.37,-148.89 60.04 04/16/2023 21:37:24 70.39,-148.93 60.07 2.71 70
4 04/19/2023 08:50:59 70.59, 42.67 59.41 04/19/2023 08:52:09 70.62, 42.67 59.43 3.21 70
5 04/19/2023 09:41:41 -70.50,-149.87 120.70 04/19/2023 09:41:35 -70.47,-149.88 120.73 2.83 6
6 04/19/2023 10:32:16 69.91, 18.34 58.68 04/19/2023 10:31:06 69.94, 17.02 58.75 50.66 70
7 04/21/2023 21:44:49 70.57,-150.76 58.51 04/21/2023 21:45:43 70.57,-150.81 58.51 1.79 54
8 04/21/2023 22:35:31 -70.48, 16.70 121.60 04/21/2023 22:35:08 -70.48, 16.72 121.59 1.14 23
9 04/24/2023 10:38:39 70.56, 15.79 57.65 04/24/2023 10:39:16 70.54, 15.74 57.64 2.41 37
10 04/24/2023 11:29:21 -70.46,-176.74 122.46 04/24/2023 11:28:41 -70.46,-176.73 122.46 1.01 40
11 04/26/2023 23:32:29 70.56,-177.67 56.83 04/26/2023 23:32:48 70.53,-177.69 56.80 3.04 19
12 04/27/2023 00:23:11 -70.46, -10.20 123.29 04/27/2023 00:22:13 -70.44, -10.16 123.30 2.70 58
13 04/29/2023 11:35:40 -70.98,-179.13 123.53 04/29/2023 11:36:51 -70.85,-178.28 123.69 34.46 71
14 04/29/2023 12:26:17 70.51, -11.06 55.98 04/29/2023 12:26:18 70.53, -11.09 56.00 2.10 1
15 04/29/2023 13:16:57 -70.31, 156.57 124.24 04/29/2023 13:15:45 -70.33, 156.28 124.21 11.20 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_NOAA-21_TERRA_20230416.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA