Orbital elements of OAO 3
| Launched | 20 August 1972 | 
| Flight ended | – | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 6153 | 
| Alternative names | COPERNICUS | 
| 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 | 
| 2025 Oct 30 18:57 | 2025 Oct 30 06:06:59 | 35.0066 | 0.00067 | 21.3581 | 178.5389 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 29 18:57 | 2025 Oct 29 12:20:02 | 35.0067 | 0.00066 | 21.6395 | 172.3908 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 28 18:57 | 2025 Oct 27 12:42:04 | 35.0069 | 0.00064 | 22.3931 | 155.6951 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 27 18:57 | 2025 Oct 27 12:42:04 | 35.0069 | 0.00064 | 22.3931 | 155.6951 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 26 18:57 | 2025 Oct 26 09:49:36 | 35.0070 | 0.00063 | 22.8183 | 146.1024 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 25 17:57 | 2025 Oct 25 10:50:58 | 35.0071 | 0.00062 | 23.1819 | 137.7670 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 24 17:57 | 2025 Oct 23 11:45:23 | 35.0071 | 0.00061 | 23.9269 | 120.4354 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 22 17:56 | 2025 Oct 21 22:10:20 | 35.0071 | 0.00061 | 0.5216 | 106.3174 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 21 17:56 | 2025 Oct 20 23:11:33 | 35.0071 | 0.00060 | 0.8851 | 97.6443 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 20 17:56 | 2025 Oct 19 14:10:43 | 35.0071 | 0.00060 | 1.4075 | 85.2222 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 19 17:56 | 2025 Oct 18 23:35:19 | 35.0071 | 0.00061 | 1.6383 | 79.6433 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 18 17:56 | 2025 Oct 18 08:13:35 | 35.0070 | 0.00061 | 1.8813 | 73.9122 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 17 17:56 | 2025 Oct 16 15:05:59 | 35.0069 | 0.00061 | 2.5320 | 58.5903 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 16 17:56 | 2025 Oct 16 01:00:20 | 35.0069 | 0.00062 | 2.7550 | 53.2774 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 15 17:56 | 2025 Oct 14 15:29:45 | 35.0067 | 0.00063 | 3.2852 | 41.0385 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 14 17:56 | 2025 Oct 13 16:30:45 | 35.0065 | 0.00063 | 3.6488 | 32.7650 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 12 17:56 | 2025 Oct 12 03:26:42 | 35.0063 | 0.00065 | 4.2353 | 19.4357 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 11 17:57 | 2025 Oct 11 02:49:09 | 35.0062 | 0.00066 | 4.6249 | 10.9073 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 09 17:56 | 2025 Oct 09 04:51:37 | 35.0060 | 0.00068 | 5.3521 | 355.1643 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 08 17:56 | 2025 Oct 08 11:51:19 | 35.0058 | 0.00068 | 5.6211 | 349.4555 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 07 17:56 | 2025 Oct 07 05:15:18 | 35.0056 | 0.00070 | 6.1053 | 339.3637 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 05 17:56 | 2025 Oct 05 13:18:29 | 35.0054 | 0.00071 | 6.7374 | 326.3768 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 04 17:57 | 2025 Oct 03 13:43:25 | 35.0050 | 0.00072 | 7.4902 | 311.2701 | 279.2018 | 14.59848 | 5.743 | 
| 2025 Oct 03 17:57 | 2025 Oct 02 07:04:06 | 35.0050 | 0.00073 | 7.9753 | 301.6390 | 279.2018 | 14.59848 | 5.743 |