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: 12/31/2017
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 01/01/2018 06:58:32 70.11, 71.82 93.05 01/01/2018 06:58:00 70.11, 71.79 93.06 1.45 32
2 01/01/2018 07:48:02 -69.99,-120.71 87.07 01/01/2018 07:48:41 -69.97,-120.67 87.10 3.20 39
3 01/03/2018 22:25:28 -70.49, 20.61 86.82 01/03/2018 22:24:16 -70.55, 19.57 86.73 39.25 72
4 01/03/2018 23:15:01 70.06,-172.37 92.76 01/03/2018 23:14:53 70.08,-172.38 92.78 1.71 8
5 01/04/2018 00:04:31 -69.95, -4.89 87.36 01/04/2018 00:05:34 -69.93, -4.84 87.38 3.17 63
6 01/06/2018 14:42:02 -70.17, 136.02 87.43 01/06/2018 14:41:02 -70.14, 135.98 87.44 3.16 60
7 01/06/2018 15:31:30 70.01, -56.56 92.42 01/06/2018 15:31:46 70.04, -56.55 92.45 3.49 16
8 01/06/2018 16:21:09 -69.40, 110.25 88.17 01/06/2018 16:22:18 -69.41, 111.69 88.21 56.65 69
9 01/09/2018 06:58:31 -70.11,-108.17 87.83 01/09/2018 06:57:55 -70.11,-108.19 87.83 0.87 36
10 01/09/2018 07:47:58 70.00, 59.32 92.07 01/09/2018 07:48:39 70.00, 59.28 92.06 1.42 41
11 01/11/2018 22:25:23 70.49,-159.38 92.14 01/11/2018 22:24:12 70.54,-160.41 92.24 38.75 71
12 01/11/2018 23:14:59 -70.05, 7.63 88.28 01/11/2018 23:14:47 -70.07, 7.64 88.26 2.24 12
13 01/12/2018 00:04:26 69.94, 175.11 91.61 01/12/2018 00:05:31 69.97, 175.11 91.63 3.21 65

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 12/31/2017
SNOs_Map_LANDSAT-8_NPP_20171231.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 12/31/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service