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: 4/17/2017
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 04/20/2017 06:08:09 -70.83, -94.80 120.85 04/20/2017 06:07:00 -70.92, -96.72 120.72 70.52 69
2 04/20/2017 06:57:47 70.13, 71.81 58.45 04/20/2017 06:57:31 70.13, 71.85 58.46 1.71 16
3 04/20/2017 07:47:17 -70.02,-120.72 121.67 04/20/2017 07:48:13 -70.03,-120.68 121.66 2.20 56
4 04/22/2017 22:24:48 -70.20, 20.14 122.38 04/22/2017 22:23:42 -70.19, 20.22 122.38 3.09 66
5 04/22/2017 23:14:15 70.09,-172.37 57.51 04/22/2017 23:14:26 70.09,-172.31 57.51 2.18 11
6 04/23/2017 00:03:51 -69.65, -5.35 122.93 04/23/2017 00:05:01 -69.62, -4.29 123.00 41.05 70
7 04/25/2017 14:41:15 -70.21, 136.04 123.25 04/25/2017 14:40:38 -70.20, 135.97 123.25 2.65 37
8 04/25/2017 15:30:43 70.04, -56.55 56.58 04/25/2017 15:31:21 70.05, -56.48 56.58 2.77 38
9 04/28/2017 06:08:07 70.54, 84.77 56.23 04/28/2017 06:06:56 70.59, 83.82 56.31 35.60 71
10 04/28/2017 06:57:42 -70.16,-108.15 124.15 04/28/2017 06:57:32 -70.16,-108.20 124.15 1.98 10
11 04/28/2017 07:47:09 70.05, 59.33 55.73 04/28/2017 07:48:16 70.06, 59.26 55.74 3.21 67
12 04/30/2017 22:24:40 70.21,-159.83 55.09 04/30/2017 22:23:45 70.24,-159.86 55.12 2.75 55
13 04/30/2017 23:14:10 -70.11, 7.66 125.03 04/30/2017 23:14:27 -70.13, 7.62 125.01 2.20 17
14 05/01/2017 00:03:50 69.28, 174.16 54.16 05/01/2017 00:04:57 69.29, 176.17 54.12 79.04 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2017
SNOs_Map_LANDSAT-8_NPP_20170419.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/17/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service