| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.5381207270 ± 5.42e-09 |
| Semi-major axis (a) | 1.8933719410 AU ± 4.50e-10 |
| Inclination (i) | 41.20633494° ± 7.87e-07 |
| Long. of Asc. Node (Ω) | 63.44668864° ± 1.04e-06 |
| Arg. of Perihelion (ω) | 293.09862767° ± 1.07e-06 |
| Mean Anomaly (M) | 140.66424737° ± 8.67e-07 |
| Mean Motion (n) | 0.3783191899°/day ± 1.35e-10 |
| Perihelion dist (q) | 0.87450926 AU ± 1.03e-08 |
| Aphelion dist (Q) | 2.91223463 AU ± 1.03e-08 |
| Orbital Period | 2.60527700 yr ± 9.28e-10 |
| H (abs. magnitude) | 12.48 |
|---|---|
| G (slope) | 0.15 |
| Source | IAA |
|---|---|
| Solution Date | 2026-05-31 |
| RMS Residual | 0.220″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.102869 AU |
| Observations Used | 9210 |
| Radar Obs Used | 1 |
| Gaia Obs Used | 79 |
| Oppositions | 38 |
| Arc Total | 1955-2026 |
| First Observation Used | 1955-01-26 |
| Last Observation Used | 2026-04-06 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 1999-01-16 11:19:13 | C | 01 22 22.31 | +36 48 30.9 | – | m | 347 |
| 1999-01-16 11:24:00 | C | 01 22 22.75 | +36 48 37.5 | – | m | 347 |
| 1999-01-16 20:35:01 | C | 01 23 15.07 | +37 01 18.2 | – | z | 151 |
| 1999-01-16 20:45:23 | C | 01 23 16.04 | +37 01 32.3 | – | z | 151 |
| 1999-01-17 17:33:59 | C | 01 25 15.05 | +37 29 45.0 | – | – | 557 |
| 1999-01-17 18:18:51 | C | 01 25 19.22 | +37 30 44.5 | – | – | 557 |
| 1999-01-17 18:57:50 | C | 01 25 22.85 | +37 31 36.1 | – | – | 557 |
| 1999-01-19 18:33:49 | C | 01 29 55.60 | +38 32 55.7 | – | a | 639 |
| 1999-01-19 19:20:51 | C | 01 30 00.13 | +38 33 53.2 | – | a | 639 |
| 1999-01-20 19:35:32 | C | 01 32 19.74 | +39 03 35.6 | 14.4 | m | 026 |
| 1999-01-21 17:45:04 | C | 01 34 28.17 | +39 29 53.5 | – | z | 151 |
| 1999-01-21 17:56:15 | C | 01 34 29.21 | +39 30 07.0 | – | z | 151 |
| 1999-01-21 19:01:48 | C | 01 34 35.38 | +39 31 22.4 | – | a | 113 |
| 1999-01-21 19:04:48 | C | 01 34 35.67 | +39 31 25.9 | – | a | 113 |
| 1999-01-21 19:07:47 | C | 01 34 35.94 | +39 31 29.4 | – | a | 113 |
| 1999-01-21 19:10:48 | C | 01 34 36.23 | +39 31 32.9 | – | a | 113 |
| 1999-01-21 19:13:47 | C | 01 34 36.51 | +39 31 36.3 | – | a | 113 |
| 1999-01-21 19:37:29 | C | 01 34 38.77 | +39 32 04.2 | 14.4 | m | 026 |
| 1999-01-23 22:28:10 | C | 01 39 34.60 | +40 29 24.2 | 14.5 | m | 026 |
| 1999-01-23 22:57:12 | C | 01 39 37.42 | +40 29 55.4 | 14.6 | m | 026 |
| 1999-01-30 02:45:46 | C | 01 54 14.15 | +42 57 23.7 | – | z | 294 |
| 1999-01-30 03:21:29 | C | 01 54 17.79 | +42 57 55.7 | – | z | 294 |
| 1999-01-31 18:24:10 | C | 01 58 14.12 | +43 32 44.5 | – | z | 151 |
| 1999-01-31 18:37:24 | C | 01 58 15.40 | +43 32 55.9 | – | z | 151 |
| 1999-02-05 03:22:39 | C | 02 08 58.22 | +44 58 56.2 | – | z | 294 |
| 1999-02-05 04:01:56 | C | 02 09 02.37 | +44 59 28.0 | – | z | 294 |
| 1999-02-08 03:09:29 | C | 02 16 27.38 | +45 52 34.3 | 16.9 | a | 704 |
| 1999-02-08 03:25:20 | C | 02 16 28.99 | +45 52 45.4 | – | a | 704 |
| 1999-02-08 03:41:39 | C | 02 16 30.74 | +45 52 56.3 | – | a | 704 |
| 1999-02-08 03:58:03 | C | 02 16 32.50 | +45 53 07.6 | – | a | 704 |
| 1999-02-08 04:14:01 | C | 02 16 34.06 | +45 53 19.2 | – | a | 704 |
| 1999-02-10 00:49:00 | C | 02 21 17.06 | +46 24 34.9 | – | c | 746 |
| 1999-02-10 00:59:30 | C | 02 21 18.16 | +46 24 42.1 | – | c | 746 |
| 1999-02-10 01:07:30 | C | 02 21 19.01 | +46 24 47.4 | – | c | 746 |
| 1999-02-10 18:05:17 | C | 02 23 07.49 | +46 36 17.1 | – | – | 557 |
| 1999-02-10 19:23:36 | C | 02 23 15.73 | +46 37 09.0 | – | – | 557 |
| 1999-02-10 20:19:28 | C | 02 23 21.63 | +46 37 45.9 | – | – | 557 |
| 1999-02-13 18:13:07 | C | 02 30 53.14 | +47 23 04.5 | 15.1 | – | 947 |
| 1999-02-13 20:16:34 | C | 02 31 06.31 | +47 24 20.1 | 15.1 | – | 947 |
| 1999-03-11 17:58:06 | C | 03 43 12.02 | +52 11 58.6 | – | – | 118 |
| 1999-03-11 18:03:34 | C | 03 43 12.65 | +52 12 00.6 | – | – | 118 |
| 1999-03-13 19:05:00 | C | 03 49 15.36 | +52 27 22.7 | – | z | 151 |
| 1999-03-13 19:11:54 | C | 03 49 16.18 | +52 27 24.8 | – | z | 151 |
| 1999-03-13 19:16:50 | C | 03 49 16.80 | +52 27 26.6 | – | z | 151 |
| 1999-03-21 02:54:27 | C | 04 11 17.81 | +53 14 55.5 | – | z | 719 |
| 1999-03-21 03:08:45 | C | 04 11 19.50 | +53 14 59.0 | – | z | 719 |
| 1999-03-24 22:42:15 | C | 04 23 00.20 | +53 35 06.9 | 17.1 | m | 026 |
| 1999-03-24 22:44:24 | C | 04 23 00.51 | +53 35 07.2 | 16.9 | m | 026 |
| 1999-03-25 19:19:05 | C | 04 25 38.90 | +53 39 15.8 | – | – | 118 |
| 1999-03-25 19:31:54 | C | 04 25 40.53 | +53 39 18.7 | – | – | 118 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 1985-12-08 00:00:00 | -295248 | 20 | Hz | 2380 | -1 | -1 |
| 1985-12-08.000000 | -29524800 | 2000 | Hz | 2380 | 251 | 251 |