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: 12/19/2020
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, -97.86 92.41 12/20/2020 18:23:15 68.93, -96.48 92.26 56.92 69
2 12/20/2020 19:12:36 -68.35, 70.43 88.33 12/20/2020 19:12:53 -68.38, 70.46 88.31 3.21 17
3 12/20/2020 20:03:20 68.22,-122.10 91.54 12/20/2020 20:02:21 68.21,-122.09 91.54 0.86 59
4 12/23/2020 10:38:49 68.44, 18.76 91.75 12/23/2020 10:39:52 68.42, 18.75 91.72 2.76 63
5 12/23/2020 11:29:30 -68.30,-173.74 88.39 12/23/2020 11:29:22 -68.31,-173.74 88.39 0.60 8
6 12/23/2020 12:20:07 67.80, -5.80 91.10 12/23/2020 12:18:55 67.86, -6.62 91.17 35.28 72
7 12/26/2020 02:55:44 68.40, 134.58 91.64 12/26/2020 02:56:21 68.39, 134.60 91.63 1.13 37
8 12/26/2020 03:46:25 -68.26, -57.92 88.51 12/26/2020 03:45:52 -68.23, -57.95 88.53 3.01 33
9 12/28/2020 18:22:05 -69.01, 82.22 87.86 12/28/2020 18:23:15 -68.93, 83.50 87.96 51.92 70
10 12/28/2020 19:12:39 68.36,-109.60 91.48 12/28/2020 19:12:50 68.37,-109.55 91.48 2.22 11
11 12/28/2020 20:03:20 -68.22, 57.90 88.67 12/28/2020 20:02:21 -68.21, 57.89 88.68 0.74 59
12 12/31/2020 10:38:50 -68.44,-161.25 88.62 12/31/2020 10:39:52 -68.45,-161.21 88.61 2.12 62
13 12/31/2020 11:29:33 68.27, 6.28 91.21 12/31/2020 11:29:20 68.28, 6.22 91.22 2.38 13
14 12/31/2020 12:20:08 -67.80, 174.19 89.27 12/31/2020 12:18:56 -67.85, 173.35 89.22 35.63 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/19/2020
SNOs_Map_NPP_TERRA_20201219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/19/2020 in txt file.

Historial Predications of SNOs between NPP and TERRA