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: 5/10/2025

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	20:17:42	70.49,-131.38	50.77	05/18/2025	20:18:48	70.52,-128.79	50.71	95.95	66
2	05/18/2025	21:08:32	-71.17, 37.03	128.60	05/18/2025	21:09:46	-71.24, 37.33	128.56	12.96	74
3	05/18/2025	21:59:23	71.29,-155.47	51.51	05/18/2025	22:00:33	71.31,-155.49	51.52	2.22	70
4	05/18/2025	22:50:26	-71.30, 11.78	128.50	05/18/2025	22:51:17	-71.29, 11.87	128.52	3.21	51
5	05/18/2025	23:41:19	71.32, 179.09	51.51	05/18/2025	23:42:03	71.31, 179.14	51.50	1.68	44
6	05/19/2025	00:32:22	-71.32, -13.66	128.49	05/19/2025	00:32:48	-71.34, -13.60	128.48	2.75	26
7	05/19/2025	01:23:15	71.34, 153.65	51.52	05/19/2025	01:23:34	71.37, 153.67	51.54	2.70	19
8	05/19/2025	02:14:17	-71.40, -39.00	128.43	05/19/2025	02:14:19	-71.40, -39.07	128.44	2.63	2
9	05/19/2025	03:05:11	71.37, 128.22	51.53	05/19/2025	03:05:04	71.37, 128.29	51.53	2.60	7
10	05/19/2025	03:56:13	-71.43, -64.44	128.42	05/19/2025	03:55:49	-71.40, -64.45	128.45	3.39	24
11	05/19/2025	04:47:06	71.44, 102.87	51.59	05/19/2025	04:46:35	71.42, 102.82	51.57	3.17	31
12	05/19/2025	05:38:09	-71.45, -89.87	128.41	05/19/2025	05:37:20	-71.45, -89.92	128.41	1.67	49
13	05/19/2025	06:29:02	71.47, 77.44	51.60	05/19/2025	06:28:06	71.47, 77.35	51.61	3.11	56
14	05/19/2025	07:20:05	-71.48,-115.31	128.40	05/19/2025	07:18:50	-71.45,-115.30	128.42	3.05	75
15	05/19/2025	08:10:53	71.75, 52.48	51.85	05/19/2025	08:09:41	71.73, 51.50	51.87	34.10	72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/10/2025

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/10/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP