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: 3/29/2020
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 03/29/2020 22:24:59 -70.73, 20.94 113.17 03/29/2020 22:23:50 -70.79, 19.21 113.05 63.94 69
2 03/29/2020 23:14:36 70.08,-172.37 66.19 03/29/2020 23:14:23 70.09,-172.37 66.21 1.24 13
3 03/30/2020 00:04:06 -69.97, -4.89 113.93 03/30/2020 00:05:04 -69.96, -4.85 113.95 2.11 58
4 04/01/2020 14:41:37 -70.15, 135.97 114.77 04/01/2020 14:40:33 -70.13, 136.03 114.78 3.23 64
5 04/01/2020 15:31:04 70.04, -56.54 65.12 04/01/2020 15:31:18 70.06, -56.56 65.14 2.45 14
6 04/01/2020 16:20:41 -69.55, 110.42 115.37 04/01/2020 16:21:51 -69.50, 111.59 115.46 45.95 70
7 04/04/2020 06:58:04 -70.12,-108.20 115.83 04/04/2020 06:57:27 -70.10,-108.16 115.84 2.18 37
8 04/04/2020 07:47:31 70.00, 59.28 64.05 04/04/2020 07:48:11 69.99, 59.33 64.03 2.46 40
9 04/06/2020 22:24:58 70.39,-159.55 63.44 04/06/2020 22:23:46 70.49,-160.31 63.56 29.85 72
10 04/06/2020 23:14:32 -70.08, 7.62 116.89 04/06/2020 23:14:22 -70.08, 7.65 116.89 1.08 10
11 04/07/2020 00:03:59 69.96, 175.10 62.99 04/07/2020 00:05:06 69.96, 175.13 62.99 1.41 67
12 04/09/2020 14:41:30 70.13, -44.06 62.17 04/09/2020 14:40:35 70.15, -44.01 62.20 3.16 55
13 04/09/2020 15:31:00 -70.03, 123.44 117.94 04/09/2020 15:31:17 -70.05, 123.46 117.91 2.62 17
14 04/09/2020 16:20:40 69.19, -70.05 61.25 04/09/2020 16:21:47 69.20, -67.99 61.19 81.72 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/29/2020
SNOs_Map_LANDSAT-8_NPP_20200329.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/29/2020 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service