Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between METOP-A and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/28/2017
Index Date (METOP-A) Time (METOP-A) Lat,Lon (METOP-A) SZA (METOP-A ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/28/2017 23:52:37 -72.74, -6.60 121.63 04/28/2017 23:53:21 -72.72, -6.52 121.66 3.08 44
2 04/29/2017 00:43:16 72.76, 160.78 58.38 04/29/2017 00:44:07 72.73, 160.78 58.34 3.69 51
3 04/29/2017 01:33:59 -72.72, -31.98 121.68 04/29/2017 01:34:51 -72.73, -31.90 121.68 3.02 52
4 04/29/2017 02:24:38 72.74, 135.40 58.34 04/29/2017 02:25:37 72.73, 135.40 58.32 0.74 59
5 04/29/2017 03:15:20 -72.75, -57.27 121.67 04/29/2017 03:16:21 -72.73, -57.29 121.70 1.51 61
6 04/29/2017 04:06:00 72.72, 110.01 58.30 04/29/2017 04:07:07 72.74, 110.01 58.30 2.23 67
7 04/29/2017 04:56:42 -72.72, -82.65 121.71 04/29/2017 04:57:51 -72.74, -82.67 121.71 1.72 69
8 04/29/2017 05:47:23 72.64, 84.52 58.21 04/29/2017 05:48:36 72.69, 84.74 58.23 8.76 73
9 04/29/2017 06:38:06 -72.60,-108.24 121.85 04/29/2017 06:39:19 -72.64,-107.85 121.84 13.99 73
10 04/29/2017 07:28:49 72.37, 58.63 57.94 04/29/2017 07:29:59 72.39, 59.97 57.88 45.30 70
11 04/29/2017 08:19:32 -72.32,-134.13 122.12 04/29/2017 08:20:42 -72.34,-132.62 122.18 51.27 70
12 04/29/2017 09:10:17 72.04, 32.65 57.62 04/29/2017 09:11:23 72.09, 35.19 57.54 87.06 66
13 04/29/2017 10:01:00 -71.99,-160.11 122.43 04/29/2017 10:02:06 -72.04,-157.41 122.53 92.85 66

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 4/28/2017
SNOs_Map_METOP-A_NPP_20170430.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 04/28/2017 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service