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: 5/11/2025

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,-131.40	50.76	05/18/2025	20:18:49	70.54,-128.81	50.72	96.09	66
2	05/18/2025	21:08:33	-71.16, 37.01	128.62	05/18/2025	21:09:46	-71.20, 37.40	128.60	14.62	73
3	05/18/2025	21:59:24	71.28,-155.49	51.49	05/18/2025	22:00:33	71.27,-155.42	51.47	2.83	69
4	05/18/2025	22:50:27	-71.29, 11.76	128.51	05/18/2025	22:51:18	-71.30, 11.84	128.50	3.54	51
5	05/18/2025	23:41:20	71.30, 179.07	51.50	05/18/2025	23:42:04	71.32, 179.11	51.52	2.78	44
6	05/19/2025	00:32:22	-71.36, -13.59	128.45	05/19/2025	00:32:49	-71.36, -13.63	128.46	1.63	27
7	05/19/2025	01:23:15	71.38, 153.72	51.56	05/19/2025	01:23:35	71.38, 153.64	51.56	2.88	20
8	05/19/2025	02:14:18	-71.39, -39.02	128.44	05/19/2025	02:14:20	-71.41, -39.10	128.42	3.45	2
9	05/19/2025	03:05:11	71.41, 128.29	51.57	05/19/2025	03:05:05	71.38, 128.27	51.54	3.05	6
10	05/19/2025	03:56:14	-71.41, -64.46	128.43	05/19/2025	03:55:50	-71.41, -64.47	128.43	0.68	24
11	05/19/2025	04:47:07	71.43, 102.85	51.58	05/19/2025	04:46:36	71.43, 102.80	51.59	1.91	31
12	05/19/2025	05:38:10	-71.44, -89.89	128.42	05/19/2025	05:37:21	-71.46, -89.94	128.39	3.07	49
13	05/19/2025	06:29:02	71.46, 77.41	51.59	05/19/2025	06:28:05	71.44, 77.42	51.57	2.47	57
14	05/19/2025	07:20:05	-71.47,-115.33	128.41	05/19/2025	07:18:50	-71.47,-115.32	128.41	0.42	75
15	05/19/2025	08:10:53	71.74, 52.46	51.84	05/19/2025	08:09:41	71.75, 51.48	51.89	34.09	72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/11/2025

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/11/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP