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: 4/22/2019
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 04/22/2019 19:12:44 -68.36, 70.38 124.05 04/22/2019 19:13:36 -68.37, 70.42 124.05 1.98 52
2 04/22/2019 20:03:28 68.23,-122.15 55.81 04/22/2019 20:03:04 68.21,-122.12 55.79 2.45 24
3 04/22/2019 20:53:55 -67.34, 46.27 125.10 04/22/2019 20:52:46 -67.42, 44.60 125.01 71.73 69
4 04/25/2019 10:39:15 69.30, 17.55 56.04 04/25/2019 10:40:22 69.23, 19.74 55.94 86.73 67
5 04/25/2019 11:29:40 -68.30,-173.78 125.00 04/25/2019 11:30:07 -68.28,-173.81 125.02 2.97 27
6 04/25/2019 12:20:24 68.18, -6.32 54.87 04/25/2019 12:19:34 68.17, -6.29 54.87 1.29 50
7 04/28/2019 02:55:55 68.39, 134.54 54.25 04/28/2019 02:57:06 68.40, 134.58 54.25 1.48 71
8 04/28/2019 03:46:36 -68.25, -57.95 125.91 04/28/2019 03:46:37 -68.23, -57.99 125.93 2.45 1
9 04/28/2019 04:37:18 68.02, 109.65 53.85 04/28/2019 04:36:05 68.07, 109.46 53.90 9.30 73
10 04/30/2019 19:12:51 68.35,-109.63 53.37 04/30/2019 19:13:36 68.34,-109.62 53.36 0.95 45
11 04/30/2019 20:03:32 -68.19, 57.88 126.80 04/30/2019 20:03:07 -68.17, 57.82 126.82 3.36 25
12 05/03/2019 10:39:17 -69.21,-162.34 126.55 05/03/2019 10:40:25 -69.10,-160.43 126.67 76.38 68
13 05/03/2019 11:29:46 68.30, 6.19 52.52 05/03/2019 11:30:05 68.27, 6.18 52.49 3.44 19
14 05/03/2019 12:20:27 -68.14, 173.71 127.65 05/03/2019 12:19:35 -68.16, 173.69 127.63 2.36 52
15 05/06/2019 02:55:58 -68.36, -45.43 128.18 05/06/2019 02:57:07 -68.36, -45.48 128.19 1.94 69
16 05/06/2019 03:46:42 68.25, 122.02 51.70 05/06/2019 03:46:34 68.24, 122.03 51.69 1.25 8

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2019
SNOs_Map_NPP_TERRA_20190422.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/22/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service