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: 5/31/2019
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 06/01/2019 19:13:07 68.30,-109.62 46.09 06/01/2019 19:13:33 68.31,-109.65 46.10 1.64 26
2 06/01/2019 20:03:49 -68.21, 57.80 134.00 06/01/2019 20:03:03 -68.20, 57.85 134.02 2.29 46
3 06/04/2019 10:39:21 -68.56,-161.51 133.98 06/04/2019 10:40:32 -68.49,-161.19 134.05 14.68 71
4 06/04/2019 11:30:02 68.28, 6.17 45.74 06/04/2019 11:30:01 68.26, 6.18 45.72 1.25 1
5 06/04/2019 12:20:43 -68.13, 173.67 134.42 06/04/2019 12:19:31 -68.16, 173.69 134.39 3.16 72
6 06/07/2019 02:56:13 -68.32, -45.43 134.50 06/07/2019 02:57:03 -68.34, -45.50 134.49 3.31 50
7 06/07/2019 03:46:57 68.20, 122.03 45.37 06/07/2019 03:46:30 68.22, 122.00 45.39 2.13 27
8 06/07/2019 04:37:23 -67.25, -69.48 135.59 06/07/2019 04:36:15 -67.28, -71.44 135.55 83.98 68
9 06/09/2019 18:22:42 69.20, -98.16 46.16 06/09/2019 18:23:50 69.06, -96.36 45.99 73.16 68
10 06/09/2019 19:13:09 -68.30, 70.36 134.76 06/09/2019 19:13:32 -68.29, 70.33 134.78 1.97 23
11 06/09/2019 20:03:53 68.18,-122.18 45.12 06/09/2019 20:02:59 68.17,-122.17 45.10 1.86 54
12 06/12/2019 10:39:23 68.38, 18.72 45.13 06/12/2019 10:40:30 68.39, 18.69 45.13 1.42 67
13 06/12/2019 11:30:05 -68.28,-173.84 134.97 06/12/2019 11:30:00 -68.29,-173.79 134.97 2.72 5
14 06/12/2019 12:20:43 67.84, -5.98 44.58 06/12/2019 12:19:31 67.94, -6.55 44.69 26.45 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/31/2019
SNOs_Map_NPP_TERRA_20190531.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/31/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service