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: 8/24/2018
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 08/25/2018 19:13:26 -68.81, 69.77 121.86 08/25/2018 19:14:37 -68.72, 70.58 121.96 34.06 71
2 08/25/2018 20:04:03 68.32,-122.27 57.66 08/25/2018 20:04:09 68.34,-122.24 57.68 2.44 6
3 08/25/2018 20:54:44 -68.17, 45.24 122.48 08/25/2018 20:53:40 -68.17, 45.19 122.48 1.94 64
4 08/28/2018 11:30:14 -68.39,-173.90 121.35 08/28/2018 11:31:10 -68.40,-173.93 121.34 1.89 56
5 08/28/2018 12:20:58 68.27, -6.45 58.55 08/28/2018 12:20:37 68.29, -6.41 58.57 2.62 21
6 08/28/2018 13:11:28 -67.53, 161.80 122.20 08/28/2018 13:10:18 -67.57, 160.38 122.14 60.25 70
7 08/31/2018 02:56:47 69.46, 133.08 60.69 08/31/2018 02:57:53 69.35, 135.52 60.55 96.23 66
8 08/31/2018 03:47:10 -68.34, -58.08 120.44 08/31/2018 03:47:39 -68.35, -58.10 120.44 1.67 29
9 08/31/2018 04:37:54 68.23, 109.37 59.46 08/31/2018 04:37:06 68.24, 109.41 59.47 1.86 48
10 09/02/2018 19:13:26 68.51,-109.85 60.69 09/02/2018 19:14:37 68.46,-109.73 60.63 7.37 71
11 09/02/2018 20:04:06 -68.30, 57.75 119.52 09/02/2018 20:04:08 -68.30, 57.71 119.52 1.50 2
12 09/02/2018 20:54:49 68.14,-134.74 60.34 09/02/2018 20:53:36 68.13,-134.85 60.33 4.58 73
13 09/05/2018 11:30:21 68.42, 6.04 61.58 09/05/2018 11:31:06 68.39, 6.08 61.55 2.88 45
14 09/05/2018 12:21:02 -68.26, 173.57 118.57 09/05/2018 12:20:37 -68.23, 173.52 118.60 3.41 25

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/24/2018
SNOs_Map_NPP_TERRA_20180824.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service