Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/18/2026

Index	Date (NOAA-20)	Time (NOAA-20)	Lat,Lon (NOAA-20)	SZA (NOAA-20 )	Date (LANDSAT-8)	Time (LANDSAT-8)	Lat,Lon (LANDSAT-8)	SZA (LANDSAT-8 )	Distance(km)	Time Diff (sec)
1	09/19/2026	10:21:20	-70.56,-158.41	110.94	09/19/2026	10:22:09	-70.54,-158.47	110.95	2.74	49
2	09/19/2026	11:12:04	70.46, 9.06	68.98	09/19/2026	11:11:36	70.45, 9.03	68.97	1.78	28
3	09/22/2026	01:47:51	71.42, 148.59	70.97	09/22/2026	01:48:57	71.34, 151.02	70.88	86.65	66
4	09/22/2026	02:38:18	-70.52, -42.58	109.93	09/22/2026	02:38:40	-70.52, -42.62	109.93	1.65	22
5	09/22/2026	03:29:02	70.42, 124.89	69.99	09/22/2026	03:28:07	70.42, 124.87	69.98	0.59	55
6	09/24/2026	18:04:34	70.60, -94.26	71.18	09/24/2026	18:05:41	70.60, -94.26	71.18	0.32	67
7	09/24/2026	18:55:16	-70.49, 73.25	108.93	09/24/2026	18:55:11	-70.49, 73.21	108.92	1.53	5
8	09/24/2026	19:45:54	70.08,-118.80	70.68	09/24/2026	19:44:43	70.11,-119.70	70.72	34.35	71
9	09/27/2026	10:21:31	70.58, 21.56	72.19	09/27/2026	10:22:11	70.56, 21.55	72.17	2.00	40
10	09/27/2026	11:12:13	-70.46,-170.93	107.92	09/27/2026	11:11:41	-70.45,-170.97	107.92	1.52	32
11	09/30/2026	01:47:57	-71.26, -31.14	106.09	09/30/2026	01:49:05	-71.16, -29.29	106.20	67.16	68
12	09/30/2026	02:38:29	70.55, 137.37	73.21	09/30/2026	02:38:41	70.56, 137.43	73.22	2.24	12
13	09/30/2026	03:29:11	-70.43, -55.12	106.90	09/30/2026	03:28:11	-70.46, -55.09	106.88	3.03	60

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/18/2026

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/18/2026 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8