Orbital elements of DUPLEX
| Launched | 19 November 1998 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | United States |
| NORAD ID | 66906 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Jun 05 17:56 | 2026 Jun 05 02:09:02 | 51.6279 | 0.00041 | 23.3684 | 144.7854 | 215.3412 | 15.61668 | – |
| 2026 Jun 04 17:57 | 2026 Jun 02 20:23:41 | 51.6277 | 0.00049 | 0.1211 | 142.1373 | 215.3412 | 15.61668 | – |
| 2026 Jun 02 17:56 | 2026 Jun 02 01:57:46 | 51.6274 | 0.00050 | 0.3792 | 137.8684 | 215.3412 | 15.61668 | – |
| 2026 Jun 01 17:57 | 2026 May 31 22:18:48 | 51.6278 | 0.00050 | 0.7664 | 132.1982 | 215.3412 | 15.61668 | – |
| 2026 May 31 17:58 | 2026 May 30 23:16:15 | 51.6282 | 0.00052 | 1.0889 | 129.3209 | 215.3412 | 15.61668 | – |
| 2026 May 30 17:57 | 2026 May 30 03:17:58 | 51.6293 | 0.00046 | 1.3690 | 120.2472 | 215.3412 | 15.61668 | – |
| 2026 May 29 17:57 | 2026 May 29 04:15:16 | 51.6298 | 0.00047 | 1.6914 | 115.3770 | 215.3412 | 15.61668 | – |
| 2026 May 28 17:56 | 2026 May 28 06:44:40 | 51.6295 | 0.00048 | 1.9921 | 117.8287 | 215.3412 | 15.61668 | – |
| 2026 May 27 17:57 | 2026 May 27 01:33:02 | 51.6289 | 0.00053 | 2.4006 | 112.5659 | 215.3412 | 15.61668 | – |
| 2026 May 26 17:57 | 2026 May 26 05:34:26 | 51.6290 | 0.00053 | 2.6801 | 109.1948 | 215.3412 | 15.61668 | – |
| 2026 May 25 17:57 | 2026 May 25 00:22:34 | 51.6288 | 0.00054 | 3.0885 | 104.2596 | 215.3412 | 15.61668 | – |
| 2026 May 24 17:57 | 2026 May 24 02:51:39 | 51.6290 | 0.00055 | 3.3894 | 101.1204 | 215.3412 | 15.61668 | – |
| 2026 May 23 17:58 | 2026 May 22 01:40:47 | 51.6286 | 0.00054 | 4.0772 | 92.1093 | 215.3412 | 15.61668 | – |
| 2026 May 22 17:57 | 2026 May 21 19:31:54 | 51.6282 | 0.00054 | 4.1632 | 89.7233 | 215.3412 | 15.61668 | – |
| 2026 May 21 17:57 | 2026 May 21 01:05:15 | 51.6281 | 0.00054 | 4.4211 | 86.1536 | 215.3412 | 15.61668 | – |
| 2026 May 20 17:57 | 2026 May 20 12:47:27 | 51.6280 | 0.00054 | 4.5930 | 84.0076 | 215.3412 | 15.61668 | – |
| 2026 May 19 17:58 | 2026 May 19 02:58:28 | 51.6286 | 0.00056 | 5.0657 | 78.5287 | 215.3412 | 15.61668 | – |
| 2026 May 18 17:57 | 2026 May 18 10:03:57 | 51.6284 | 0.00056 | 5.3021 | 75.5545 | 215.3412 | 15.61668 | – |
| 2026 May 17 17:57 | 2026 May 17 09:28:14 | 51.6280 | 0.00056 | 5.6458 | 71.4920 | 215.3412 | 15.61668 | – |
| 2026 May 16 17:56 | 2026 May 16 01:11:17 | 51.6275 | 0.00056 | 6.0970 | 66.6078 | 215.3412 | 15.61668 | – |
| 2026 May 15 17:57 | 2026 May 15 03:39:55 | 51.6274 | 0.00057 | 6.3978 | 63.1251 | 215.3412 | 15.61668 | – |
| 2026 May 14 17:58 | 2026 May 14 03:04:02 | 51.6267 | 0.00057 | 6.7416 | 58.8406 | 215.3412 | 15.61668 | – |
| 2026 May 13 17:58 | 2026 May 13 11:41:35 | 51.6265 | 0.00057 | 6.9564 | 56.2077 | 215.3412 | 15.61668 | – |
| 2026 May 12 17:58 | 2026 May 12 04:56:38 | 51.6270 | 0.00057 | 7.3861 | 51.1693 | 215.3412 | 15.61668 | – |
| 2026 May 11 17:56 | 2026 May 11 08:57:23 | 51.6270 | 0.00058 | 7.6654 | 47.9641 | 215.3412 | 15.61668 | – |
| 2026 May 10 17:57 | 2026 May 10 05:16:50 | 51.6259 | 0.00060 | 8.0522 | 39.9452 | 215.3412 | 15.61668 | – |
| 2026 May 09 17:57 | 2026 May 09 00:03:58 | 51.6251 | 0.00059 | 8.4599 | 34.9001 | 215.3412 | 15.61668 | – |