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: 1/3/2021
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 01/05/2021 18:22:04 68.80, -97.52 91.25 01/05/2021 18:23:15 68.72, -96.77 91.14 31.67 71
2 01/05/2021 19:12:39 -68.34, 70.41 89.24 01/05/2021 19:12:50 -68.33, 70.39 89.25 1.25 11
3 01/05/2021 20:03:23 68.22,-122.12 90.64 01/05/2021 20:02:17 68.22,-122.10 90.64 1.22 66
4 01/08/2021 10:38:52 68.45, 18.72 90.55 01/08/2021 10:39:47 68.45, 18.77 90.53 2.52 55
5 01/08/2021 11:29:33 -68.31,-173.78 89.61 01/08/2021 11:29:18 -68.28,-173.79 89.64 2.58 15
6 01/08/2021 12:20:05 67.54, -5.52 89.60 01/08/2021 12:18:55 67.61, -6.93 89.70 60.29 70
7 01/11/2021 02:55:46 68.37, 134.59 90.07 01/11/2021 02:56:16 68.39, 134.58 90.09 1.86 30
8 01/11/2021 03:46:28 -68.28, -57.97 90.03 01/11/2021 03:45:46 -68.29, -57.91 90.02 2.90 42
9 01/13/2021 18:22:03 -68.78, 82.51 89.95 01/13/2021 18:23:14 -68.67, 83.16 90.08 28.92 71
10 01/13/2021 19:12:41 68.35,-109.61 89.61 01/13/2021 19:12:45 68.33,-109.61 89.58 2.45 4
11 01/13/2021 20:03:22 -68.19, 57.90 90.56 01/13/2021 20:02:15 -68.23, 57.90 90.52 3.51 67
12 01/16/2021 10:38:52 -68.43,-161.26 90.79 01/16/2021 10:39:46 -68.44,-161.24 90.80 0.92 54
13 01/16/2021 11:29:35 68.27, 6.25 89.04 01/16/2021 11:29:14 68.26, 6.19 89.03 3.13 21
14 01/16/2021 12:20:04 -67.47, 174.56 91.79 01/16/2021 12:18:55 -67.55, 173.00 91.68 67.13 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/3/2021
SNOs_Map_NPP_TERRA_20210103.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/03/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA