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: 4/15/2017
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 04/17/2017 14:41:19 70.18, -44.00 59.43 04/17/2017 14:40:36 70.17, -43.97 59.42 1.59 43
2 04/17/2017 15:30:49 -70.06, 123.47 120.70 04/17/2017 15:31:18 -70.07, 123.50 120.70 1.35 29
3 04/20/2017 06:08:09 -70.84, -94.78 120.84 04/20/2017 06:07:00 -70.90, -96.69 120.73 70.10 69
4 04/20/2017 06:57:47 70.14, 71.82 58.46 04/20/2017 06:57:31 70.12, 71.87 58.45 2.70 16
5 04/20/2017 07:47:17 -70.03,-120.70 121.66 04/20/2017 07:48:13 -70.02,-120.66 121.68 2.11 56
6 04/22/2017 22:24:48 -70.21, 20.15 122.37 04/22/2017 22:23:43 -70.23, 20.16 122.34 2.57 65
7 04/22/2017 23:14:15 70.10,-172.36 57.51 04/22/2017 23:14:26 70.08,-172.29 57.49 3.32 11
8 04/23/2017 00:03:51 -69.66, -5.33 122.92 04/23/2017 00:05:02 -69.65, -4.35 122.96 38.13 71
9 04/25/2017 14:41:15 -70.16, 135.97 123.30 04/25/2017 14:40:37 -70.19, 136.00 123.27 2.82 38
10 04/25/2017 15:30:41 70.10, -56.47 56.64 04/25/2017 15:31:21 70.09, -56.54 56.62 3.30 40
11 04/28/2017 06:08:07 70.54, 84.77 56.23 04/28/2017 06:06:56 70.57, 83.84 56.29 34.48 71
12 04/28/2017 06:57:42 -70.17,-108.14 124.15 04/28/2017 06:57:32 -70.14,-108.17 124.17 2.72 10
13 04/28/2017 07:47:09 70.05, 59.34 55.73 04/28/2017 07:48:16 70.05, 59.29 55.73 1.88 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2017
SNOs_Map_LANDSAT-8_NPP_20170417.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/15/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service