Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/1/2017
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 09/03/2017 06:58:31 -70.11,-108.13 117.42 09/03/2017 06:58:04 -70.12,-108.18 117.39 2.98 27
2 09/03/2017 07:47:58 70.00, 59.37 62.50 09/03/2017 07:48:48 70.01, 59.30 62.51 2.98 50
3 09/05/2017 22:25:31 70.17,-159.78 63.63 09/05/2017 22:24:18 70.16,-159.79 63.62 1.85 73
4 09/05/2017 23:15:01 -70.07, 7.70 116.47 09/05/2017 23:15:00 -70.06, 7.68 116.47 1.03 1
5 09/06/2017 00:04:30 69.85, 175.04 63.34 09/06/2017 00:05:42 69.84, 175.31 63.32 10.58 72
6 09/08/2017 14:42:01 70.13, -43.97 64.58 09/08/2017 14:41:15 70.15, -44.01 64.61 3.27 46
7 09/08/2017 15:31:31 -70.02, 123.52 115.51 09/08/2017 15:31:56 -70.00, 123.53 115.54 2.49 25
8 09/11/2017 06:08:49 -70.95, -94.50 113.62 09/11/2017 06:07:42 -71.04, -96.99 113.48 90.82 67
9 09/11/2017 06:58:30 70.08, 71.84 65.54 09/11/2017 06:58:10 70.09, 71.84 65.56 2.10 20
10 09/11/2017 07:48:00 -69.97,-120.67 114.55 09/11/2017 07:48:52 -69.99,-120.69 114.53 2.54 52
11 09/13/2017 22:25:33 -70.13, 20.16 113.40 09/13/2017 22:24:22 -70.15, 20.22 113.38 2.43 71
12 09/13/2017 23:15:00 70.02,-172.35 66.50 09/13/2017 23:15:06 70.04,-172.31 66.52 2.79 6
13 09/14/2017 00:04:33 -69.75, -5.09 113.75 09/14/2017 00:05:45 -69.78, -4.60 113.73 18.97 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/1/2017
SNOs_Map_LANDSAT-8_NPP_20170902.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/01/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service