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: 11/21/2023

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	11/21/2023	22:49:58	-70.12, 13.94	89.98	11/21/2023	22:50:26	-70.14, 13.95	89.96	2.13	28
2	11/21/2023	23:40:42	69.99,-178.55	89.90	11/21/2023	23:39:54	69.98,-178.62	89.89	2.75	48
3	11/24/2023	14:16:15	70.44, -38.10	90.90	11/24/2023	14:17:26	70.32, -37.55	90.78	24.60	71
4	11/24/2023	15:06:52	-70.09, 129.75	89.44	11/24/2023	15:06:58	-70.10, 129.77	89.44	0.64	6
5	11/24/2023	15:57:36	69.97, -62.75	90.44	11/24/2023	15:56:25	69.99, -62.74	90.47	2.72	71
6	11/27/2023	06:33:03	70.16, 78.11	91.14	11/27/2023	06:33:59	70.14, 78.07	91.12	2.45	56
7	11/27/2023	07:23:44	-70.02,-114.37	89.00	11/27/2023	07:23:29	-70.04,-114.45	88.99	3.25	15
8	11/27/2023	08:14:16	69.26, 54.05	90.25	11/27/2023	08:13:08	69.26, 52.15	90.26	74.92	68
9	11/29/2023	22:49:56	70.10,-166.03	91.55	11/29/2023	22:50:30	70.11,-166.10	91.56	2.81	34
10	11/29/2023	23:40:38	-70.01, 1.42	88.54	11/29/2023	23:40:00	-70.01, 1.39	88.55	1.29	38
11	12/02/2023	14:16:16	-70.74, 141.43	87.39	12/02/2023	14:17:25	-70.66, 142.95	87.48	56.50	69
12	12/02/2023	15:06:50	70.10, -50.26	91.97	12/02/2023	15:07:00	70.12, -50.21	91.98	2.35	10
13	12/02/2023	15:57:32	-70.01, 117.20	88.12	12/02/2023	15:56:30	-70.01, 117.28	88.12	3.01	62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/21/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/21/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9