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: 1/21/2021
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 01/22/2021 14:41:50 70.81, -42.99 90.31 01/22/2021 14:40:42 70.84, -45.08 90.44 76.32 68
2 01/22/2021 15:31:32 -70.04, 123.50 90.43 01/22/2021 15:31:11 -70.06, 123.48 90.40 3.06 21
3 01/22/2021 16:20:59 69.94, -68.99 89.47 01/22/2021 16:21:55 69.95, -69.05 89.48 2.93 56
4 01/25/2021 06:58:32 70.09, 71.83 89.00 01/25/2021 06:57:23 70.09, 71.89 89.01 2.08 69
5 01/25/2021 07:48:02 -69.98,-120.69 91.12 01/25/2021 07:48:05 -69.99,-120.64 91.11 2.10 3
6 01/25/2021 08:37:33 69.66, 46.50 88.57 01/25/2021 08:38:44 69.62, 47.22 88.49 27.94 71
7 01/27/2021 23:15:01 70.09,-172.30 88.31 01/27/2021 23:14:18 70.08,-172.33 88.31 1.28 43
8 01/28/2021 00:04:31 -69.98, -4.82 91.81 01/28/2021 00:05:00 -69.98, -4.85 91.81 1.30 29
9 01/30/2021 14:41:50 -70.84, 137.04 91.69 01/30/2021 14:40:42 -70.90, 134.82 91.53 81.50 68
10 01/30/2021 15:31:30 70.02, -56.52 87.53 01/30/2021 15:31:11 70.02, -56.47 87.53 1.94 19
11 01/30/2021 16:21:00 -69.92, 110.97 92.59 01/30/2021 16:21:53 -69.91, 111.01 92.60 1.65 53
12 02/02/2021 06:58:32 -70.12,-108.15 93.13 02/02/2021 06:57:22 -70.11,-108.14 93.13 0.73 70
13 02/02/2021 07:47:59 70.01, 59.34 86.76 02/02/2021 07:48:06 70.02, 59.31 86.77 1.44 7
14 02/02/2021 08:37:32 -69.74,-133.40 93.51 02/02/2021 08:38:44 -69.70,-132.89 93.59 20.10 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/21/2021
SNOs_Map_LANDSAT-8_NPP_20210121.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/21/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP