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: 3/31/2021
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 04/01/2021 23:14:38 70.13,-172.29 65.17 04/01/2021 23:14:07 70.11,-172.35 65.16 3.53 31
2 04/02/2021 00:04:09 -69.97, -4.89 115.00 04/02/2021 00:04:48 -69.98, -4.84 115.00 2.54 39
3 04/04/2021 14:41:35 -70.47, 136.43 115.52 04/04/2021 14:40:23 -70.54, 135.44 115.41 37.78 72
4 04/04/2021 15:31:08 70.04, -56.55 64.05 04/04/2021 15:31:00 70.05, -56.49 64.07 2.98 8
5 04/04/2021 16:20:37 -69.98, 111.01 116.02 04/04/2021 16:21:42 -69.97, 110.95 116.04 2.53 65
6 04/07/2021 06:58:09 -70.16,-108.15 116.84 04/07/2021 06:57:10 -70.17,-108.20 116.82 2.21 59
7 04/07/2021 07:47:35 70.04, 59.34 63.04 04/07/2021 07:47:53 70.05, 59.30 63.04 1.54 18
8 04/07/2021 08:37:15 -69.39,-133.93 117.60 04/07/2021 08:38:24 -69.38,-132.41 117.66 59.51 69
9 04/09/2021 23:14:37 -70.11, 7.66 117.89 04/09/2021 23:14:02 -70.11, 7.67 117.88 0.58 35
10 04/10/2021 00:04:04 69.99, 175.14 61.99 04/10/2021 00:04:46 69.99, 175.15 61.99 0.66 42
11 04/12/2021 14:41:31 70.42, -43.64 61.45 04/12/2021 14:40:19 70.46, -44.43 61.51 29.58 72
12 04/12/2021 15:31:06 -70.05, 123.46 118.93 04/12/2021 15:30:55 -70.06, 123.53 118.93 2.67 11
13 04/12/2021 16:20:33 69.93, -69.06 60.94 04/12/2021 16:21:39 69.94, -68.99 60.95 2.97 66

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2021
SNOs_Map_LANDSAT-8_NPP_20210331.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/31/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP