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: 4/9/2023

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	04/09/2023	04:53:25	-70.54, -77.18	116.99	04/09/2023	04:54:36	-70.50, -76.75	117.05	16.72	71
2	04/09/2023	05:44:06	70.26, 90.58	62.71	04/09/2023	05:44:06	70.23, 90.51	62.69	3.45	0
3	04/09/2023	06:34:48	-70.18,-101.98	117.39	04/09/2023	06:33:35	-70.17,-101.94	117.39	1.40	73
4	04/11/2023	21:10:18	-70.33, 38.93	118.20	04/11/2023	21:11:06	-70.34, 38.91	118.19	2.25	48
5	04/11/2023	22:01:03	70.26,-153.65	61.71	04/11/2023	22:00:33	70.24,-153.59	61.70	2.50	30
6	04/14/2023	12:36:45	71.05, -13.79	61.59	04/14/2023	12:37:53	70.98, -11.88	61.47	69.62	68
7	04/14/2023	13:27:15	-70.33, 154.70	119.18	04/14/2023	13:27:33	-70.32, 154.76	119.19	2.55	18
8	04/14/2023	14:17:59	70.21, -37.80	60.69	04/14/2023	14:17:00	70.22, -37.75	60.70	2.30	59
9	04/17/2023	04:53:29	70.39, 103.07	59.94	04/17/2023	04:54:30	70.38, 103.10	59.93	1.14	61
10	04/17/2023	05:44:11	-70.29, -89.47	120.17	04/17/2023	05:44:00	-70.27, -89.42	120.20	2.89	11
11	04/17/2023	06:34:45	69.65, 78.82	59.15	04/17/2023	06:33:35	69.72, 77.45	59.26	53.80	70
12	04/19/2023	21:10:24	70.36,-141.11	58.98	04/19/2023	21:10:55	70.35,-141.06	58.96	2.44	31
13	04/19/2023	22:01:05	-70.21, 26.44	121.19	04/19/2023	22:00:25	-70.24, 26.42	121.16	3.34	40
14	04/22/2023	12:36:40	-70.66, 166.87	121.62	04/22/2023	12:37:51	-70.57, 167.51	121.74	25.86	71
15	04/22/2023	13:27:19	70.29, -25.23	57.99	04/22/2023	13:27:21	70.29, -25.26	57.99	1.11	2
16	04/22/2023	14:18:01	-70.20, 142.24	122.13	04/22/2023	14:16:51	-70.18, 142.23	122.13	1.47	70

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

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/09/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9