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: 10/13/2018
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 10/15/2018 10:39:57 69.12, 17.84 77.60 10/15/2018 10:41:06 69.02, 19.25 77.51 57.38 69
2 10/15/2018 11:30:27 -68.40,-173.88 103.11 10/15/2018 11:30:45 -68.41,-173.88 103.10 0.42 18
3 10/15/2018 12:21:11 68.27, -6.40 76.78 10/15/2018 12:20:12 68.29, -6.36 76.80 3.20 59
4 10/18/2018 02:56:40 68.49, 134.45 77.96 10/18/2018 02:57:43 68.49, 134.47 77.96 1.04 63
5 10/18/2018 03:47:21 -68.36, -58.06 102.16 10/18/2018 03:47:13 -68.38, -58.02 102.14 2.75 8
6 10/18/2018 04:37:58 67.85, 109.89 77.35 10/18/2018 04:36:47 67.87, 109.02 77.36 36.33 71
7 10/20/2018 19:13:34 68.45,-109.74 78.89 10/20/2018 19:14:11 68.46,-109.67 78.90 2.75 37
8 10/20/2018 20:04:15 -68.32, 57.76 101.23 10/20/2018 20:03:42 -68.31, 57.77 101.25 1.74 33
9 10/23/2018 10:39:55 -69.13,-162.19 99.51 10/23/2018 10:41:04 -69.01,-160.76 99.61 58.50 69
10 10/23/2018 11:30:27 68.37, 6.15 79.75 10/23/2018 11:30:40 68.39, 6.12 79.78 3.14 13
11 10/23/2018 12:21:09 -68.28, 173.57 100.32 10/23/2018 12:20:10 -68.29, 173.63 100.32 2.83 59
12 10/26/2018 02:56:36 -68.46, -45.51 99.25 10/26/2018 02:57:41 -68.45, -45.58 99.25 2.68 65
13 10/26/2018 03:47:20 68.33, 121.95 80.65 10/26/2018 03:47:08 68.33, 121.92 80.64 1.59 12
14 10/26/2018 04:37:55 -67.87, -70.15 99.80 10/26/2018 04:36:43 -67.95, -70.89 99.74 32.17 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/13/2018
SNOs_Map_NPP_TERRA_20181013.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service