| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.7061394439 ± 1.41e-08 |
| Semi-major axis (a) | 2.5396057381 AU ± 2.46e-09 |
| Inclination (i) | 9.54031024° ± 2.29e-06 |
| Long. of Asc. Node (Ω) | 164.08235285° ± 2.73e-05 |
| Arg. of Perihelion (ω) | 25.11181713° ± 2.76e-05 |
| Mean Anomaly (M) | 297.02816192° ± 4.38e-06 |
| Mean Motion (n) | 0.2435358082°/day ± 3.54e-10 |
| Perihelion dist (q) | 0.74628995 AU ± 3.59e-08 |
| Aphelion dist (Q) | 4.33292152 AU ± 3.62e-08 |
| Orbital Period | 4.04715138 yr ± 5.88e-09 |
| H (abs. magnitude) | 15.92 |
|---|---|
| G (slope) | 0.15 |
| Source | IAA |
|---|---|
| Solution Date | 2026-05-31 |
| RMS Residual | 0.398″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.100759 AU |
| Observations Used | 957 |
| Oppositions | 13 |
| Arc Total | 1981-2026 |
| First Observation Used | 1981-12-16 |
| Last Observation Used | 2026-02-20 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 1998-07-08 22:25:40 | C | 16 58 39.74 | +13 45 19.2 | – | – | 628 |
| 1998-07-10 04:52:33 | C | 17 02 13.26 | +12 09 11.8 | 15.2 | z | 750 |
| 1998-07-10 05:09:23 | C | 17 02 15.09 | +12 08 20.7 | 15.7 | z | 750 |
| 1998-07-10 05:15:58 | C | 17 02 15.78 | +12 08 00.0 | 15.3 | z | 750 |
| 1998-07-11 04:39:50 | C | 17 04 50.18 | +10 58 17.9 | 15.3 | z | 750 |
| 1998-07-11 04:49:03 | C | 17 04 51.11 | +10 57 51.1 | 15.6 | z | 750 |
| 1998-07-11 21:03:49 | C | 17 06 33.91 | +10 11 25.4 | – | – | 118 |
| 1998-07-11 21:30:42 | C | 17 06 36.55 | +10 10 10.0 | – | – | 118 |
| 1998-07-11 21:44:02 | C | 17 06 37.85 | +10 09 32.4 | – | – | 118 |
| 1998-07-12 05:30:59 | C | 17 07 26.20 | +09 47 59.3 | – | z | 670 |
| 1998-07-12 05:41:00 | C | 17 07 27.12 | +09 47 31.9 | – | z | 670 |
| 1998-07-12 05:53:14 | C | 17 07 28.28 | +09 46 58.4 | – | z | 670 |
| 1998-07-13 05:12:55 | C | 17 09 47.46 | +08 44 11.4 | – | l | 689 |
| 1998-07-13 21:29:40 | C | 17 11 20.92 | +08 02 01.3 | – | – | 628 |
| 1998-07-13 21:59:41 | C | 17 11 23.55 | +08 00 46.4 | – | – | 628 |
| 1998-07-13 22:24:41 | C | 17 11 25.83 | +07 59 42.3 | – | – | 628 |
| 1998-07-13 22:44:41 | C | 17 11 27.70 | +07 58 50.9 | – | – | 628 |
| 1998-07-14 20:53:37 | C | 17 13 30.51 | +07 03 59.4 | – | – | 557 |
| 1998-07-14 22:03:31 | C | 17 13 36.51 | +07 01 10.1 | – | – | 557 |
| 1998-07-14 23:09:38 | C | 17 13 42.24 | +06 58 30.2 | – | – | 557 |
| 1998-07-15 00:19:45 | C | 17 13 48.33 | +06 55 40.9 | – | – | 557 |
| 1998-07-17 04:17:24 | C | 17 18 17.71 | +04 56 54.8 | 16.5 | z | 750 |
| 1998-07-17 04:27:47 | C | 17 18 18.59 | +04 56 31.8 | 16.4 | z | 750 |
| 1998-07-17 04:55:31 | C | 17 18 20.71 | +04 55 32.3 | 16.6 | z | 750 |
| 1998-07-17 21:35:21 | C | 17 19 42.64 | +04 19 55.7 | – | – | 628 |
| 1998-07-17 21:51:20 | C | 17 19 43.83 | +04 19 22.3 | – | – | 628 |
| 1998-07-17 22:06:19 | C | 17 19 44.99 | +04 18 50.8 | – | – | 628 |
| 1998-07-17 22:23:19 | C | 17 19 46.35 | +04 18 14.9 | – | – | 628 |
| 1998-07-17 22:43:20 | C | 17 19 47.86 | +04 17 33.2 | – | – | 628 |
| 1998-07-18 04:18:14 | C | 17 20 14.91 | +04 05 55.9 | 16.3 | z | 750 |
| 1998-07-18 04:29:13 | C | 17 20 15.87 | +04 05 33.3 | 16.1 | z | 750 |
| 1998-07-18 04:37:10 | C | 17 20 16.33 | +04 05 16.8 | 15.8 | z | 750 |
| 1998-07-18 21:31:08 | C | 17 21 36.47 | +03 30 47.4 | – | – | 118 |
| 1998-07-18 21:40:56 | C | 17 21 37.19 | +03 30 27.6 | – | – | 118 |
| 1998-07-18 23:15:19 | C | 17 21 44.31 | +03 27 16.9 | – | – | 628 |
| 1998-07-18 23:30:20 | C | 17 21 45.49 | +03 26 47.8 | – | – | 628 |
| 1998-07-18 23:50:20 | C | 17 21 47.00 | +03 26 07.6 | – | – | 628 |
| 1998-07-18 23:53:19 | C | 17 21 47.26 | +03 26 01.8 | – | – | 628 |
| 1998-07-19 00:12:19 | C | 17 21 48.66 | +03 25 24.2 | – | – | 628 |
| 1998-07-20 05:24:28 | C | 17 24 02.79 | +02 28 40.6 | 17.3 | z | 750 |
| 1998-07-20 05:42:17 | C | 17 24 04.03 | +02 28 06.1 | 17.7 | z | 750 |
| 1998-07-20 20:33:56 | C | 17 25 10.81 | +02 00 21.5 | – | – | 557 |
| 1998-07-20 21:20:36 | C | 17 25 14.08 | +01 58 55.4 | – | – | 557 |
| 1998-07-20 22:15:16 | C | 17 25 17.92 | +01 57 15.1 | – | – | 557 |
| 1998-07-20 23:29:25 | C | 17 25 23.15 | +01 54 59.2 | – | – | 557 |
| 1998-07-21 21:31:26 | C | 17 26 59.43 | +01 15 28.0 | – | – | 118 |
| 1998-07-21 21:40:33 | C | 17 27 00.03 | +01 15 12.0 | – | – | 118 |
| 1998-07-22 09:34:44 | C | 17 27 50.73 | +00 54 38.7 | – | t | 566 |
| 1998-07-22 09:49:34 | C | 17 27 51.67 | +00 54 13.6 | – | t | 566 |
| 1998-07-22 10:04:18 | C | 17 27 52.74 | +00 53 48.3 | – | t | 566 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 1998-06-30 02:35:00 | -201253.89 | 0.2 | Hz | 2380 | -1 | -1 |
| 1998-06-30.107639 | -20125389 | 20 | Hz | 2380 | 251 | 251 |