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: 2/8/2020
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 02/10/2020 02:55:50 68.93, 133.87 83.47 02/10/2020 02:57:00 68.83, 134.97 83.32 45.65 70
2 02/10/2020 03:46:22 -68.31, -57.99 97.19 02/10/2020 03:46:37 -68.33, -58.00 97.17 2.66 15
3 02/10/2020 04:37:06 68.18, 109.48 82.67 02/10/2020 04:36:05 68.17, 109.44 82.66 2.29 61
4 02/12/2020 19:12:37 68.44,-109.70 82.08 02/12/2020 19:13:40 68.41,-109.68 82.04 3.26 63
5 02/12/2020 20:03:18 -68.30, 57.80 98.09 02/12/2020 20:03:10 -68.31, 57.83 98.08 1.89 8
6 02/12/2020 20:53:55 67.79,-134.26 81.39 02/12/2020 20:52:43 67.86,-135.06 81.48 33.98 72
7 02/15/2020 11:29:31 68.37, 6.15 81.10 02/15/2020 11:30:12 68.37, 6.14 81.10 0.43 41
8 02/15/2020 12:20:12 -68.23, 173.65 99.06 02/15/2020 12:19:43 -68.22, 173.59 99.07 2.65 29
9 02/18/2020 02:55:58 -69.28, -46.62 98.87 02/18/2020 02:57:05 -69.17, -44.64 99.05 79.16 67
10 02/18/2020 03:46:26 68.31, 121.99 80.11 02/18/2020 03:46:45 68.33, 121.95 80.13 3.06 19
11 02/18/2020 04:37:08 -68.22, -70.57 100.00 02/18/2020 04:36:15 -68.24, -70.53 99.98 3.05 53
12 02/20/2020 19:12:39 -68.47, 70.24 100.67 02/20/2020 19:13:50 -68.46, 70.33 100.69 3.85 71
13 02/20/2020 20:03:22 68.30,-122.23 79.15 02/20/2020 20:03:18 68.28,-122.24 79.13 1.88 4
14 02/20/2020 20:54:02 -68.10, 45.34 101.08 02/20/2020 20:52:49 -68.14, 45.22 101.03 6.72 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/8/2020
SNOs_Map_NPP_TERRA_20200208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/08/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service