Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/13/2023

Index	Date (NPP)	Time (NPP)	Lat,Lon (NPP)	SZA (NPP )	Date (LANDSAT-9)	Time (LANDSAT-9)	Lat,Lon (LANDSAT-9)	SZA (LANDSAT-9 )	Distance(km)	Time Diff (sec)
1	03/13/2023	13:26:42	-70.32, 154.75	106.79	03/13/2023	13:27:51	-70.34, 154.79	106.78	2.89	69
2	03/13/2023	14:17:26	70.20, -37.75	73.07	03/13/2023	14:17:19	70.18, -37.79	73.06	2.19	7
3	03/13/2023	15:08:04	-69.90, 130.02	107.26	03/13/2023	15:06:51	-69.96, 129.53	107.17	20.02	73
4	03/16/2023	05:43:41	-70.31, -89.47	107.87	03/16/2023	05:44:21	-70.29, -89.41	107.89	2.88	40
5	03/16/2023	06:34:25	70.18, 78.03	72.00	03/16/2023	06:33:48	70.18, 78.08	72.00	1.92	37
6	03/18/2023	21:10:05	70.76,-141.76	71.57	03/18/2023	21:11:15	70.62,-140.67	71.38	42.96	70
7	03/18/2023	22:00:38	-70.26, 26.38	108.99	03/18/2023	22:00:49	-70.24, 26.40	109.00	1.61	11
8	03/18/2023	22:51:22	70.13,-166.13	70.88	03/18/2023	22:50:16	70.13,-166.11	70.88	0.62	66
9	03/21/2023	13:26:54	70.31, -25.26	70.03	03/21/2023	13:27:47	70.30, -25.27	70.01	1.01	53
10	03/21/2023	14:17:36	-70.22, 142.20	110.09	03/21/2023	14:17:17	-70.20, 142.22	110.11	2.43	19
11	03/21/2023	15:08:05	69.30, -49.13	68.95	03/21/2023	15:06:58	69.31, -51.36	69.04	87.45	67
12	03/24/2023	05:43:51	70.24, 90.62	68.89	03/24/2023	05:44:14	70.25, 90.56	68.90	3.16	23
13	03/24/2023	06:34:33	-70.14,-101.92	111.23	03/24/2023	06:33:44	-70.15,-101.96	111.22	1.89	49
14	03/26/2023	21:10:05	-70.34, 38.91	112.05	03/26/2023	21:11:13	-70.33, 38.91	112.08	1.60	68
15	03/26/2023	22:00:49	70.23,-153.60	67.82	03/26/2023	22:00:40	70.21,-153.62	67.80	2.39	9
16	03/26/2023	22:51:26	-69.87, 14.26	112.57	03/26/2023	22:50:14	-69.89, 13.56	112.52	26.94	72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/13/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/13/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9