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: 7/16/2023
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 07/19/2023 05:21:35 71.53, 93.35 50.75 07/19/2023 05:22:43 71.42, 95.25 50.53 68.41 68
2 07/19/2023 06:12:05 -70.81, -98.09 130.03 07/19/2023 06:12:18 -70.81, -98.04 130.03 1.73 13
3 07/19/2023 07:02:48 70.65, 69.47 49.82 07/19/2023 07:01:41 70.66, 69.40 49.84 2.84 67
4 07/21/2023 18:15:15 70.85, -98.94 50.49 07/21/2023 18:16:08 70.86, -98.95 50.50 1.94 53
5 07/21/2023 19:05:57 -70.74, 68.54 129.62 07/21/2023 19:05:34 -70.75, 68.53 129.61 0.53 23
6 07/24/2023 07:09:08 70.84, 67.59 51.00 07/24/2023 07:09:23 70.83, 67.67 50.98 3.25 15
7 07/24/2023 07:59:49 -70.69,-124.84 129.16 07/24/2023 07:58:49 -70.71,-124.86 129.12 3.13 60
8 07/26/2023 19:12:16 -70.89, 66.73 128.42 07/26/2023 19:13:16 -70.87, 66.72 128.45 2.35 60
9 07/26/2023 20:03:00 70.79,-125.81 51.50 07/26/2023 20:02:38 70.78,-125.75 51.48 2.87 22
10 07/26/2023 20:53:25 -69.79, 43.07 129.56 07/26/2023 20:52:19 -69.83, 40.55 129.39 96.79 66
11 07/29/2023 08:06:07 -70.84,-126.67 127.88 07/29/2023 08:06:29 -70.84,-126.65 127.89 0.76 22
12 07/29/2023 08:56:50 70.70, 40.88 51.98 07/29/2023 08:55:52 70.70, 40.80 51.99 2.88 58

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_NOAA-21_TERRA_20230717.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA