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: 4/6/2021
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 -70.16,-108.14 116.84 04/07/2021 06:57:09 -70.16,-108.19 116.83 1.73 59
2 04/07/2021 07:47:35 70.06, 59.35 63.05 04/07/2021 07:47:53 70.03, 59.31 63.03 3.12 18
3 04/07/2021 08:37:15 -69.40,-133.92 117.60 04/07/2021 08:38:24 -69.38,-132.40 117.67 59.60 69
4 04/09/2021 23:14:37 -70.12, 7.67 117.88 04/09/2021 23:14:02 -70.10, 7.68 117.89 1.71 35
5 04/10/2021 00:04:04 70.01, 175.16 62.00 04/10/2021 00:04:47 70.03, 175.10 62.02 3.45 43
6 04/12/2021 14:41:31 70.44, -43.61 61.47 04/12/2021 14:40:20 70.50, -44.48 61.55 32.75 71
7 04/12/2021 15:31:06 -70.07, 123.47 118.92 04/12/2021 15:30:56 -70.10, 123.46 118.89 3.39 10
8 04/12/2021 16:20:33 69.95, -69.04 60.96 04/12/2021 16:21:40 69.97, -69.04 60.98 2.47 67
9 04/15/2021 06:58:04 70.17, 71.86 60.23 04/15/2021 06:57:08 70.18, 71.79 60.25 2.96 56
10 04/15/2021 07:47:34 -70.07,-120.65 119.89 04/15/2021 07:47:49 -70.04,-120.67 119.91 3.04 15
11 04/15/2021 08:37:13 69.29, 45.93 59.35 04/15/2021 08:38:21 69.28, 47.74 59.30 71.08 68
12 04/17/2021 23:14:32 70.10,-172.35 59.22 04/17/2021 23:14:00 70.13,-172.35 59.25 2.68 32
13 04/18/2021 00:04:02 -70.01, -4.86 120.89 04/18/2021 00:04:41 -69.98, -4.81 120.92 2.83 39

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/6/2021
SNOs_Map_LANDSAT-8_NPP_20210406.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/06/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP