Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/1/2015
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 01/02/2015 21:59:28 -69.20, 29.65 88.04 01/02/2015 22:00:05 -69.17, 29.70 88.06 3.25 37
2 01/02/2015 22:50:12 69.06,-162.86 91.83 01/02/2015 22:49:32 69.07,-162.79 91.84 2.90 40
3 01/05/2015 13:25:45 69.77, -22.72 92.29 01/05/2015 13:26:54 69.69, -21.36 92.19 53.16 69
4 01/05/2015 14:16:16 -69.12, 145.53 88.39 01/05/2015 14:16:32 -69.13, 145.53 88.38 1.45 16
5 01/05/2015 15:07:00 68.99, -46.98 91.48 01/05/2015 15:06:00 68.97, -47.03 91.46 2.70 60
6 01/08/2015 05:42:24 69.17, 93.92 91.35 01/08/2015 05:43:30 69.19, 93.87 91.37 3.34 66
7 01/08/2015 06:33:06 -69.10, -98.66 88.73 01/08/2015 06:33:00 -69.08, -98.64 88.75 2.06 6
8 01/08/2015 07:23:44 68.65, 69.25 90.81 01/08/2015 07:22:32 68.70, 68.51 90.87 30.58 72
9 01/10/2015 21:59:14 69.16,-150.29 90.96 01/10/2015 21:59:58 69.13,-150.33 90.93 3.36 44
10 01/10/2015 22:49:55 -69.03, 17.21 89.18 01/10/2015 22:49:28 -69.03, 17.17 89.19 1.65 27
11 01/13/2015 13:25:37 -70.18, 156.70 88.42 01/13/2015 13:26:43 -70.06, 159.17 88.58 94.58 66
12 01/13/2015 14:16:03 69.10, -34.43 90.47 01/13/2015 14:16:25 69.12, -34.46 90.49 2.29 22
13 01/13/2015 15:06:45 -69.03, 132.99 89.62 01/13/2015 15:05:55 -69.02, 133.04 89.63 2.25 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/1/2015
SNOs_Map_NPP_TERRA_20150101.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/01/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service