Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/29/2023

Index	Date (NOAA-21)	Time (NOAA-21)	Lat,Lon (NOAA-21)	SZA (NOAA-21 )	Date (TERRA)	Time (TERRA)	Lat,Lon (TERRA)	SZA (TERRA )	Distance(km)	Time Diff (sec)
1	05/29/2023	18:59:58	-70.71, 70.15	131.00	05/29/2023	19:00:49	-70.71, 70.21	131.02	2.30	51
2	05/29/2023	19:50:42	70.59,-122.34	48.87	05/29/2023	19:50:12	70.60,-122.28	48.88	2.51	30
3	06/01/2023	07:53:53	-70.68,-123.28	131.40	06/01/2023	07:54:14	-70.66,-123.23	131.42	2.87	21
4	06/01/2023	08:44:37	70.56, 44.22	48.48	06/01/2023	08:43:37	70.55, 44.26	48.47	2.29	60
5	06/03/2023	19:57:06	70.75,-124.19	48.36	06/03/2023	19:58:13	70.73,-124.16	48.33	2.41	67
6	06/03/2023	20:47:47	-70.60, 43.36	131.80	06/03/2023	20:47:39	-70.60, 43.30	131.81	2.50	8
7	06/03/2023	21:38:20	69.91,-148.25	47.47	06/03/2023	21:37:11	69.98,-149.92	47.61	64.34	69
8	06/06/2023	08:51:00	70.68, 42.44	48.00	06/06/2023	08:51:37	70.69, 42.40	48.01	1.57	37
9	06/06/2023	09:41:42	-70.59,-150.09	132.10	06/06/2023	09:41:03	-70.56,-150.12	132.12	2.56	39
10	06/08/2023	20:54:21	-71.29, 40.61	131.58	06/08/2023	20:55:30	-71.20, 42.15	131.74	56.12	69
11	06/08/2023	21:44:55	70.67,-151.03	47.76	06/08/2023	21:45:00	70.68,-150.98	47.76	2.23	5
12	06/08/2023	22:35:37	-70.57, 16.45	132.35	06/08/2023	22:34:26	-70.56, 16.50	132.35	2.25	71
13	06/11/2023	09:48:05	-70.72,-151.90	132.39	06/11/2023	09:49:01	-70.74,-151.92	132.38	2.79	56
14	06/11/2023	10:38:48	70.61, 15.58	47.50	06/11/2023	10:38:23	70.60, 15.53	47.49	2.64	25

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/29/2023

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/29/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA