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: 2/5/2020
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 02/07/2020 11:29:26 -68.34,-173.79 96.32 02/07/2020 11:30:04 -68.35,-173.85 96.31 3.08 38
2 02/07/2020 12:20:11 68.27, -6.39 83.60 02/07/2020 12:19:31 68.25, -6.33 83.58 3.17 40
3 02/10/2020 02:55:50 68.94, 133.86 83.48 02/10/2020 02:57:00 68.83, 134.97 83.33 46.46 70
4 02/10/2020 03:46:22 -68.32, -58.00 97.18 02/10/2020 03:46:37 -68.34, -58.00 97.17 2.31 15
5 02/10/2020 04:37:06 68.20, 109.47 82.68 02/10/2020 04:36:05 68.17, 109.44 82.66 2.82 61
6 02/12/2020 19:12:37 68.45,-109.72 82.09 02/12/2020 19:13:40 68.42,-109.67 82.05 3.28 63
7 02/12/2020 20:03:18 -68.30, 57.79 98.08 02/12/2020 20:03:10 -68.33, 57.85 98.06 3.54 8
8 02/12/2020 20:53:55 67.80,-134.28 81.40 02/12/2020 20:52:43 67.87,-135.04 81.50 32.98 72
9 02/15/2020 11:29:32 68.38, 6.13 81.11 02/15/2020 11:30:13 68.40, 6.17 81.13 3.03 41
10 02/15/2020 12:20:13 -68.24, 173.64 99.05 02/15/2020 12:19:44 -68.26, 173.63 99.03 2.39 29
11 02/18/2020 02:55:58 -69.29, -46.63 98.86 02/18/2020 02:57:06 -69.17, -44.65 99.05 79.34 68
12 02/18/2020 03:46:26 68.32, 121.98 80.12 02/18/2020 03:46:46 68.33, 121.94 80.13 2.19 20
13 02/18/2020 04:37:08 -68.22, -70.58 100.00 02/18/2020 04:36:16 -68.24, -70.53 99.98 2.84 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/5/2020
SNOs_Map_NPP_TERRA_20200205.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/05/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service