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: 4/14/2023

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	04/14/2023	12:36:44	71.09, -13.66	61.63	04/14/2023	12:37:52	71.03, -11.81	61.52	67.02	68
2	04/14/2023	13:27:14	-70.38, 154.82	119.13	04/14/2023	13:27:32	-70.36, 154.82	119.15	1.68	18
3	04/14/2023	14:17:58	70.26, -37.68	60.73	04/14/2023	14:16:59	70.26, -37.68	60.74	0.61	59
4	04/17/2023	04:53:24	70.42, 103.22	59.97	04/17/2023	04:54:29	70.42, 103.16	59.97	2.30	65
5	04/17/2023	05:44:06	-70.33, -89.33	120.14	04/17/2023	05:43:59	-70.31, -89.37	120.16	2.93	7
6	04/17/2023	06:34:43	69.84, 78.72	59.35	04/17/2023	06:33:32	69.87, 77.65	59.41	40.99	71
7	04/19/2023	21:10:16	70.38,-140.96	58.99	04/19/2023	21:10:55	70.39,-141.00	59.00	1.85	39
8	04/19/2023	22:00:58	-70.29, 26.50	121.11	04/19/2023	22:00:25	-70.28, 26.47	121.13	2.14	33
9	04/22/2023	12:36:35	-71.09, 166.35	121.17	04/22/2023	12:37:43	-70.98, 168.13	121.33	65.87	68
10	04/22/2023	13:27:07	70.36, -25.15	58.06	04/22/2023	13:27:19	70.38, -25.12	58.07	2.42	12
11	04/22/2023	14:17:49	-70.27, 142.32	122.06	04/22/2023	14:16:49	-70.27, 142.35	122.05	1.25	60
12	04/25/2023	04:53:15	-70.45, -76.82	122.73	04/25/2023	04:54:17	-70.45, -76.77	122.74	1.87	62
13	04/25/2023	05:43:59	70.35, 90.65	57.15	04/25/2023	05:43:44	70.34, 90.71	57.14	2.35	15
14	04/25/2023	06:34:32	-69.77,-101.17	123.45	04/25/2023	06:33:21	-69.85,-102.36	123.35	46.46	71
15	04/27/2023	21:10:06	-70.39, 39.05	123.66	04/27/2023	21:10:42	-70.38, 39.02	123.67	1.49	36
16	04/27/2023	22:00:50	70.29,-153.49	56.23	04/27/2023	22:00:09	70.26,-153.50	56.21	2.90	41

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/14/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/14/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9