Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/8/2023
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/08/2023 12:49:17 70.77, -16.51 63.51 04/08/2023 12:50:19 70.79, -16.51 63.52 1.53 62
2 04/08/2023 13:39:59 -70.69, 150.94 116.59 04/08/2023 13:39:45 -70.66, 150.95 116.62 3.38 14
3 04/08/2023 14:30:28 69.78, -40.32 62.45 04/08/2023 14:29:21 69.84, -42.56 62.59 86.32 67
4 04/11/2023 01:43:14 70.77, 150.02 62.56 04/11/2023 01:43:56 70.74, 150.00 62.53 2.63 42
5 04/11/2023 02:33:56 -70.68, -42.52 117.55 04/11/2023 02:33:21 -70.67, -42.46 117.56 2.28 35
6 04/13/2023 14:37:11 70.77, -43.45 61.63 04/13/2023 14:37:31 70.78, -43.38 61.63 3.04 20
7 04/13/2023 15:27:52 -70.63, 124.10 118.54 04/13/2023 15:26:57 -70.65, 124.08 118.51 2.68 55
8 04/16/2023 02:40:29 -71.15, -44.88 118.88 04/16/2023 02:41:40 -71.04, -44.05 119.02 32.00 71
9 04/16/2023 03:31:07 70.72, 123.14 60.67 04/16/2023 03:31:07 70.72, 123.12 60.67 0.82 0
10 04/16/2023 04:21:47 -70.53, -69.22 119.56 04/16/2023 04:20:34 -70.54, -69.50 119.53 10.53 73
11 04/18/2023 15:34:19 -70.85, 122.15 120.09 04/18/2023 15:35:17 -70.85, 122.23 120.10 2.92 58
12 04/18/2023 16:25:02 70.69, -70.27 59.73 04/18/2023 16:24:41 70.69, -70.35 59.74 2.64 21
13 04/18/2023 17:15:27 -69.70, 98.58 121.31 04/18/2023 17:14:21 -69.79, 96.02 121.14 98.99 66
14 04/21/2023 04:28:15 -70.82, -71.28 121.00 04/21/2023 04:28:51 -70.84, -71.20 120.99 3.41 36
15 04/21/2023 05:18:59 70.71, 96.21 58.88 04/21/2023 05:18:15 70.68, 96.22 58.85 3.48 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NPP_TERRA_20230408.jpg

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

Historial Predications of SNOs between NPP and TERRA