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: 2/22/2020
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 02/23/2020 11:29:33 -68.40,-173.91 101.71 02/23/2020 11:30:21 -68.39,-173.88 101.73 1.71 48
2 02/23/2020 12:20:17 68.27, -6.43 78.14 02/23/2020 12:19:48 68.28, -6.37 78.15 2.51 29
3 02/23/2020 13:10:41 -67.22, 162.17 102.96 02/23/2020 13:09:34 -67.28, 160.12 102.83 88.56 67
4 02/26/2020 02:56:01 69.23, 133.43 78.18 02/26/2020 02:57:09 69.12, 135.27 78.00 74.03 68
5 02/26/2020 03:46:28 -68.34, -58.06 102.77 02/26/2020 03:46:51 -68.35, -58.06 102.77 0.43 23
6 02/26/2020 04:37:12 68.21, 109.41 77.09 02/26/2020 04:36:18 68.23, 109.45 77.11 2.06 54
7 02/28/2020 19:12:42 68.42,-109.72 76.33 02/28/2020 19:13:49 68.43,-109.70 76.32 0.85 67
8 02/28/2020 20:03:23 -68.29, 57.78 103.83 02/28/2020 20:03:20 -68.28, 57.74 103.85 1.82 3
9 02/28/2020 20:54:02 67.89,-134.42 75.75 02/28/2020 20:52:50 67.98,-134.96 75.86 24.89 72
10 03/02/2020 11:29:37 68.37, 6.12 75.25 03/02/2020 11:30:16 68.39, 6.13 75.26 1.95 39
11 03/02/2020 12:20:18 -68.23, 173.61 104.91 03/02/2020 12:19:47 -68.24, 173.59 104.91 1.22 31
12 03/05/2020 02:55:57 -68.98, -46.23 105.15 03/05/2020 02:57:07 -68.84, -45.06 105.33 49.37 70
13 03/05/2020 03:46:31 68.32, 121.95 74.16 03/05/2020 03:46:41 68.32, 121.95 74.16 0.08 10
14 03/05/2020 04:37:12 -68.18, -70.55 106.00 03/05/2020 04:36:12 -68.17, -70.60 106.01 1.99 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/22/2020
SNOs_Map_NPP_TERRA_20200222.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/22/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service