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: 4/5/2021
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 04/07/2021 06:58:08 -70.15,-108.15 116.84 04/07/2021 06:57:09 -70.17,-108.20 116.82 2.22 59
2 04/07/2021 07:47:35 70.05, 59.34 63.05 04/07/2021 07:47:53 70.04, 59.30 63.04 1.68 18
3 04/07/2021 08:37:15 -69.39,-133.93 117.61 04/07/2021 08:38:24 -69.38,-132.41 117.66 59.58 69
4 04/09/2021 23:14:37 -70.11, 7.66 117.89 04/09/2021 23:14:02 -70.11, 7.67 117.89 0.47 35
5 04/10/2021 00:04:04 70.00, 175.15 61.99 04/10/2021 00:04:46 69.98, 175.17 61.98 1.68 42
6 04/12/2021 14:41:31 70.44, -43.63 61.46 04/12/2021 14:40:20 70.50, -44.49 61.56 33.08 71
7 04/12/2021 15:31:06 -70.06, 123.46 118.93 04/12/2021 15:30:55 -70.05, 123.53 118.93 2.89 11
8 04/12/2021 16:20:33 69.94, -69.05 60.96 04/12/2021 16:21:39 69.93, -68.98 60.93 3.29 66
9 04/15/2021 06:58:04 70.16, 71.85 60.22 04/15/2021 06:57:07 70.13, 71.86 60.20 2.62 57
10 04/15/2021 07:47:34 -70.06,-120.66 119.90 04/15/2021 07:47:49 -70.05,-120.68 119.91 1.53 15
11 04/15/2021 08:37:13 69.28, 45.92 59.35 04/15/2021 08:38:21 69.29, 47.73 59.31 71.15 68
12 04/17/2021 23:14:32 70.09,-172.36 59.21 04/17/2021 23:13:59 70.08,-172.28 59.20 3.27 33
13 04/18/2021 00:04:02 -70.00, -4.87 120.90 04/18/2021 00:04:41 -69.99, -4.82 120.91 1.78 39

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/5/2021
SNOs_Map_LANDSAT-8_NPP_20210405.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/05/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP