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: 1/4/2021
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 01/06/2021 15:31:38 -70.04, 123.51 87.59 01/06/2021 15:31:09 -70.03, 123.54 87.59 1.66 29
2 01/06/2021 16:21:05 69.94, -69.00 92.31 01/06/2021 16:21:53 69.92, -68.98 92.29 1.90 48
3 01/09/2021 06:58:36 70.15, 71.91 92.17 01/09/2021 06:57:23 70.15, 71.81 92.19 3.57 73
4 01/09/2021 07:48:07 -69.98,-120.69 88.00 01/09/2021 07:48:04 -70.00,-120.64 87.98 2.91 3
5 01/09/2021 08:37:35 69.82, 46.72 91.85 01/09/2021 08:38:47 69.84, 46.91 91.85 7.61 72
6 01/11/2021 23:15:05 70.08,-172.31 91.70 01/11/2021 23:14:17 70.07,-172.30 91.71 0.52 48
7 01/12/2021 00:04:35 -69.97, -4.82 88.41 01/12/2021 00:04:59 -69.97, -4.83 88.41 0.20 24
8 01/14/2021 14:41:50 -70.99, 137.29 87.87 01/14/2021 14:40:44 -71.04, 134.60 87.73 97.41 66
9 01/14/2021 15:31:32 70.06, -56.45 91.23 01/14/2021 15:31:11 70.05, -56.50 91.23 2.09 21
10 01/14/2021 16:21:02 -69.96, 111.04 88.88 01/14/2021 16:21:53 -69.95, 110.98 88.89 2.55 51
11 01/17/2021 06:58:34 -70.10,-108.16 89.23 01/17/2021 06:57:22 -70.13,-108.16 89.19 3.61 72
12 01/17/2021 07:48:01 69.98, 59.33 90.66 01/17/2021 07:48:05 69.98, 59.38 90.65 2.04 4
13 01/17/2021 08:37:33 -69.77,-133.34 89.56 01/17/2021 08:38:45 -69.77,-132.98 89.58 13.53 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/4/2021
SNOs_Map_LANDSAT-8_NPP_20210104.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/04/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP