Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/7/2025

Index	Date (NOAA-19)	Time (NOAA-19)	Lat,Lon (NOAA-19)	SZA (NOAA-19 )	Date (NPP)	Time (NPP)	Lat,Lon (NPP)	SZA (NPP )	Distance(km)	Time Diff (sec)
1	05/18/2025	20:17:43	70.48,-131.38	50.77	05/18/2025	20:18:49	70.54,-128.81	50.73	95.54	66
2	05/18/2025	21:08:33	-71.17, 37.03	128.61	05/18/2025	21:09:47	-71.25, 37.32	128.55	13.41	74
3	05/18/2025	21:59:23	71.29,-155.48	51.50	05/18/2025	22:00:32	71.27,-155.42	51.48	2.75	69
4	05/18/2025	22:50:26	-71.30, 11.78	128.50	05/18/2025	22:51:17	-71.30, 11.85	128.51	2.58	51
5	05/18/2025	23:41:19	71.31, 179.08	51.51	05/18/2025	23:42:03	71.33, 179.11	51.52	1.84	44
6	05/19/2025	00:32:21	-71.37, -13.57	128.44	05/19/2025	00:32:48	-71.35, -13.62	128.47	2.99	27
7	05/19/2025	01:23:15	71.34, 153.65	51.52	05/19/2025	01:23:33	71.33, 153.74	51.50	3.41	18
8	05/19/2025	02:14:17	-71.40, -39.00	128.43	05/19/2025	02:14:19	-71.41, -39.09	128.43	3.11	2
9	05/19/2025	03:05:11	71.36, 128.21	51.53	05/19/2025	03:05:04	71.38, 128.27	51.55	2.87	7
10	05/19/2025	03:56:13	-71.43, -64.44	128.42	05/19/2025	03:55:49	-71.41, -64.47	128.44	2.22	24
11	05/19/2025	04:47:06	71.44, 102.86	51.59	05/19/2025	04:46:35	71.43, 102.80	51.59	2.49	31
12	05/19/2025	05:38:09	-71.45, -89.88	128.41	05/19/2025	05:37:20	-71.46, -89.94	128.40	2.36	49
13	05/19/2025	06:29:02	71.47, 77.43	51.60	05/19/2025	06:28:05	71.44, 77.42	51.57	3.22	57
14	05/19/2025	07:20:05	-71.48,-115.31	128.40	05/19/2025	07:18:50	-71.46,-115.31	128.41	1.68	75
15	05/19/2025	08:10:53	71.75, 52.47	51.85	05/19/2025	08:09:41	71.75, 51.48	51.89	34.61	72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/7/2025

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/07/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP