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: 12/20/2020
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 12/20/2020 18:22:06 69.07, -97.84 92.40 12/20/2020 18:23:15 68.94, -96.47 92.27 56.34 69
2 12/20/2020 19:12:36 -68.34, 70.44 88.34 12/20/2020 19:12:54 -68.33, 70.41 88.35 2.00 18
3 12/20/2020 20:03:20 68.21,-122.08 91.53 12/20/2020 20:02:21 68.22,-122.08 91.54 1.33 59
4 12/23/2020 10:38:49 68.43, 18.77 91.74 12/23/2020 10:39:52 68.43, 18.76 91.73 0.79 63
5 12/23/2020 11:29:30 -68.30,-173.73 88.40 12/23/2020 11:29:22 -68.32,-173.73 88.38 2.35 8
6 12/23/2020 12:20:07 67.79, -5.79 91.09 12/23/2020 12:18:56 67.81, -6.68 91.12 37.49 71
7 12/26/2020 02:55:44 68.39, 134.59 91.63 12/26/2020 02:56:21 68.40, 134.61 91.64 1.59 37
8 12/26/2020 03:46:25 -68.25, -57.91 88.51 12/26/2020 03:45:52 -68.24, -57.95 88.52 1.77 33
9 12/28/2020 18:22:06 -69.06, 82.15 87.81 12/28/2020 18:23:15 -68.94, 83.51 87.95 55.60 69
10 12/28/2020 19:12:39 68.35,-109.59 91.47 12/28/2020 19:12:50 68.37,-109.54 91.49 3.13 11
11 12/28/2020 20:03:20 -68.21, 57.91 88.68 12/28/2020 20:02:21 -68.22, 57.90 88.67 0.88 59
12 12/31/2020 10:38:50 -68.43,-161.24 88.63 12/31/2020 10:39:52 -68.46,-161.21 88.60 3.23 62
13 12/31/2020 11:29:33 68.27, 6.29 91.20 12/31/2020 11:29:20 68.28, 6.23 91.22 3.23 13
14 12/31/2020 12:20:08 -67.79, 174.19 89.28 12/31/2020 12:18:56 -67.85, 173.35 89.21 35.92 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2020
SNOs_Map_NPP_TERRA_20201220.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/20/2020 in txt file.

Historial Predications of SNOs between NPP and TERRA