Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/9/2023

Index	Date (NOAA-21)	Time (NOAA-21)	Lat,Lon (NOAA-21)	SZA (NOAA-21 )	Date (LANDSAT-9)	Time (LANDSAT-9)	Lat,Lon (LANDSAT-9)	SZA (LANDSAT-9 )	Distance(km)	Time Diff (sec)
1	02/10/2023	06:45:10	71.10, 73.50	85.62	02/10/2023	06:46:16	71.01, 76.21	85.41	98.54	66
2	02/10/2023	07:35:34	-70.07,-117.53	95.49	02/10/2023	07:36:01	-70.07,-117.55	95.50	0.94	27
3	02/10/2023	08:26:18	69.95, 49.96	84.38	02/10/2023	08:25:28	69.97, 49.95	84.40	2.02	50
4	02/12/2023	23:01:46	70.32,-169.45	83.90	02/12/2023	23:02:57	70.24,-169.07	83.79	16.74	71
5	02/12/2023	23:52:25	-70.07, -1.75	96.37	02/12/2023	23:52:28	-70.07, -1.68	96.38	2.77	3
6	02/13/2023	00:43:08	69.90, 165.81	83.44	02/13/2023	00:41:56	69.91, 165.74	83.46	2.58	72
7	02/15/2023	15:18:34	70.12, -53.37	82.79	02/15/2023	15:19:26	70.12, -53.35	82.78	0.85	52
8	02/15/2023	16:09:16	-70.03, 114.09	97.32	02/15/2023	16:08:56	-70.01, 114.13	97.34	2.93	20
9	02/15/2023	16:59:44	69.07, -77.21	81.66	02/15/2023	16:58:37	69.13, -79.42	81.82	87.70	67
10	02/18/2023	07:35:24	70.05, 62.52	81.78	02/18/2023	07:35:53	70.06, 62.46	81.79	2.67	29
11	02/18/2023	08:26:06	-69.96,-130.02	98.33	02/18/2023	08:25:23	-69.96,-130.06	98.33	1.38	43
12	02/20/2023	23:01:37	-70.47, 10.35	98.73	02/20/2023	23:02:48	-70.34, 11.11	98.90	31.69	71
13	02/20/2023	23:52:15	70.05, 178.30	80.82	02/20/2023	23:52:18	70.07, 178.36	80.83	2.72	3
14	02/21/2023	00:42:57	-69.95, -14.23	99.30	02/21/2023	00:41:48	-69.96, -14.16	99.28	2.84	69
15	02/23/2023	15:18:20	-70.11, 126.68	100.08	02/23/2023	15:19:15	-70.13, 126.70	100.07	2.51	55
16	02/23/2023	16:09:04	70.01, -65.85	79.80	02/23/2023	16:08:42	70.01, -65.82	79.81	1.39	22

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/9/2023

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9