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: 9/15/2025

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	09/16/2025	15:18:22	-70.05, 126.60	112.42	09/16/2025	15:19:13	-70.07, 126.65	112.41	3.02	51
2	09/16/2025	16:09:05	69.90, -65.86	67.44	09/16/2025	16:08:41	69.91, -65.92	67.46	3.19	24
3	09/16/2025	16:59:32	-69.00, 102.75	113.47	09/16/2025	16:58:25	-69.03, 100.53	113.40	88.70	67
4	09/19/2025	07:35:14	-69.98,-117.51	111.46	09/19/2025	07:35:45	-69.99,-117.58	111.45	3.05	31
5	09/19/2025	08:25:57	69.88, 49.95	68.46	09/19/2025	08:25:11	69.89, 49.92	68.47	1.15	46
6	09/21/2025	23:01:30	70.40,-169.69	70.00	09/21/2025	23:02:41	70.28,-168.93	69.86	31.29	71
7	09/21/2025	23:52:06	-69.97, -1.71	110.43	09/21/2025	23:52:15	-69.95, -1.76	110.45	2.77	9
8	09/22/2025	00:42:50	69.88, 165.74	69.49	09/22/2025	00:41:42	69.84, 165.74	69.46	3.61	68
9	09/24/2025	15:18:17	70.08, -53.40	70.71	09/24/2025	15:19:15	70.05, -53.37	70.68	3.02	58
10	09/24/2025	16:08:59	-69.96, 114.08	109.40	09/24/2025	16:08:45	-69.95, 114.11	109.42	2.10	14
11	09/24/2025	16:59:31	69.24, -77.54	69.88	09/24/2025	16:58:22	69.28, -79.14	69.95	63.20	69
12	09/27/2025	07:35:09	70.03, 62.46	71.70	09/27/2025	07:35:45	70.03, 62.48	71.70	0.76	36
13	09/27/2025	08:25:51	-69.91,-130.05	108.41	09/27/2025	08:25:15	-69.93,-130.03	108.40	1.90	36

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/15/2025

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/15/2025 in txt file.

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