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: 3/23/2019
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 03/24/2019 10:39:15 69.16, 17.74 67.71 03/24/2019 10:40:23 69.03, 19.51 67.54 71.61 68
2 03/24/2019 11:29:42 -68.28,-173.77 113.22 03/24/2019 11:30:04 -68.30,-173.76 113.20 2.54 22
3 03/24/2019 12:20:26 68.15, -6.29 66.64 03/24/2019 12:19:32 68.15, -6.30 66.64 0.71 54
4 03/27/2019 02:55:54 68.39, 134.56 65.86 03/27/2019 02:57:03 68.40, 134.61 65.86 2.69 69
5 03/27/2019 03:46:35 -68.26, -57.96 114.29 03/27/2019 03:46:34 -68.24, -57.96 114.32 2.65 1
6 03/27/2019 04:37:16 67.97, 109.72 65.40 03/27/2019 04:36:03 68.02, 109.43 65.46 13.42 73
7 03/29/2019 19:12:45 68.32,-109.58 64.74 03/29/2019 19:13:32 68.31,-109.62 64.72 2.42 47
8 03/29/2019 20:03:26 -68.19, 57.92 115.42 03/29/2019 20:03:02 -68.20, 57.88 115.41 2.10 24
9 03/29/2019 20:53:52 67.08,-133.44 63.45 03/29/2019 20:52:46 67.13,-135.69 63.54 97.35 66
10 04/01/2019 10:39:11 -69.33,-162.48 115.25 04/01/2019 10:40:18 -69.25,-160.21 115.38 89.73 67
11 04/01/2019 11:29:38 68.31, 6.22 63.68 04/01/2019 11:30:00 68.30, 6.25 63.67 1.39 22
12 04/01/2019 12:20:19 -68.17, 173.72 116.48 04/01/2019 12:19:31 -68.14, 173.69 116.51 3.24 48
13 04/04/2019 02:55:48 -68.46, -45.51 117.18 04/04/2019 02:57:00 -68.44, -45.33 117.21 7.69 72
14 04/04/2019 03:46:30 68.24, 122.09 62.58 04/04/2019 03:46:28 68.27, 122.10 62.61 3.28 2
15 04/04/2019 04:37:11 -68.10, -70.42 117.58 04/04/2019 04:35:59 -68.11, -70.45 117.56 2.22 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/23/2019
SNOs_Map_NPP_TERRA_20190323.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service