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: 1/26/2019
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 01/27/2019 10:39:28 -68.35,-161.25 93.24 01/27/2019 10:40:27 -68.34,-161.31 93.25 2.67 59
2 01/27/2019 11:30:12 68.22, 6.21 86.63 01/27/2019 11:29:54 68.23, 6.20 86.64 1.07 18
3 01/27/2019 12:20:43 -67.55, 174.37 94.08 01/27/2019 12:19:33 -67.62, 173.12 93.97 53.57 70
4 01/30/2019 02:56:22 -68.33, -45.46 93.96 01/30/2019 02:56:55 -68.35, -45.42 93.95 2.33 33
5 01/30/2019 03:47:05 68.16, 122.07 85.86 01/30/2019 03:46:23 68.18, 122.02 85.88 3.02 42
6 02/01/2019 18:22:39 68.68, -97.46 85.67 02/01/2019 18:23:51 68.56, -96.91 85.53 25.97 72
7 02/01/2019 19:13:15 -68.27, 70.39 94.77 02/01/2019 19:13:24 -68.29, 70.39 94.75 2.52 9
8 02/01/2019 20:03:58 68.15,-122.15 85.10 02/01/2019 20:02:50 68.18,-122.10 85.13 3.42 68
9 02/04/2019 10:39:26 68.35, 18.74 84.55 02/04/2019 10:40:22 68.33, 18.69 84.52 3.43 56
10 02/04/2019 11:30:07 -68.21,-173.76 95.61 02/04/2019 11:29:52 -68.23,-173.80 95.59 2.82 15
11 02/04/2019 12:20:39 67.44, -5.50 83.59 02/04/2019 12:19:30 67.49, -7.00 83.69 64.23 69
12 02/07/2019 02:56:19 68.30, 134.59 83.68 02/07/2019 02:56:50 68.31, 134.55 83.69 2.23 31
13 02/07/2019 03:47:01 -68.21, -57.98 96.43 02/07/2019 03:46:20 -68.21, -57.93 96.42 2.13 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2019
SNOs_Map_NPP_TERRA_20190126.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service