| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.2897198861 ± 7.86e-09 |
| Semi-major axis (a) | 1.4230128228 AU ± 2.05e-09 |
| Inclination (i) | 55.88998229° ± 3.09e-06 |
| Long. of Asc. Node (Ω) | 171.12850988° ± 2.61e-07 |
| Arg. of Perihelion (ω) | 186.41639779° ± 2.68e-06 |
| Mean Anomaly (M) | 78.67106258° ± 2.83e-06 |
| Mean Motion (n) | 0.5806294447°/day ± 1.25e-09 |
| Perihelion dist (q) | 1.01073771 AU ± 1.13e-08 |
| Aphelion dist (Q) | 1.83528794 AU ± 1.15e-08 |
| Orbital Period | 1.69751344 yr ± 3.67e-09 |
| H (abs. magnitude) | 16.60 |
|---|---|
| G (slope) | 0.15 |
2001 EA18
| Source | IAA |
|---|---|
| Solution Date | 2026-06-01 |
| RMS Residual | 0.273″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.004382 AU |
| Observations Used | 1752 |
| Radar Obs Used | 3 |
| Gaia Obs Used | 58 |
| Oppositions | 25 |
| Arc Total | 1955-2025 |
| First Observation Used | 1955-04-24 |
| Last Observation Used | 2025-07-08 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2018-09-13 22:26:03 | C | 18 01 11.79 | +35 53 13.5 | – | V | Z80 |
| 2018-09-13 22:28:01 | C | 18 01 11.71 | +35 52 19.2 | – | V | Z80 |
| 2018-09-13 22:29:59 | C | 18 01 11.64 | +35 51 24.6 | – | V | Z80 |
| 2018-09-13 22:31:56 | C | 18 01 11.52 | +35 50 29.8 | – | V | Z80 |
| 2018-09-14 02:50:43 | C | 18 01 07.18 | +33 48 50.1 | 13.9 | r | 718 |
| 2018-09-14 02:51:55 | C | 18 01 07.12 | +33 48 15.2 | 13.9 | r | 718 |
| 2018-09-14 02:54:11 | C | 18 01 06.97 | +33 47 08.5 | 13.9 | r | 718 |
| 2018-09-14 02:55:20 | C | 18 01 06.89 | +33 46 35.3 | 13.9 | r | 718 |
| 2018-09-14 02:56:29 | C | 18 01 06.81 | +33 46 01.8 | 13.9 | r | 718 |
| 2018-09-14 05:30:05 | C | 18 00 56.97 | +32 30 05.0 | – | V | 703 |
| 2018-09-14 05:37:52 | C | 18 00 56.56 | +32 26 09.7 | – | V | 703 |
| 2018-09-14 05:45:37 | C | 18 00 56.15 | +32 22 13.6 | – | V | 703 |
| 2018-09-14 05:53:23 | C | 18 00 55.75 | +32 18 16.4 | – | V | 703 |
| 2018-09-14 18:53:06 | C | 18 00 37.93 | +25 14 16.1 | – | q | 006 |
| 2018-09-14 18:53:47 | C | 18 00 37.88 | +25 13 52.4 | – | q | 006 |
| 2018-09-14 18:54:15 | C | 18 00 37.87 | +25 13 35.6 | – | q | 006 |
| 2018-09-14 18:54:42 | C | 18 00 37.84 | +25 13 20.3 | – | q | 006 |
| 2018-09-14 18:55:22 | C | 18 00 37.79 | +25 12 56.8 | – | q | 006 |
| 2018-09-14 18:55:48 | C | 18 00 37.77 | +25 12 41.5 | – | q | 006 |
| 2018-09-14 18:56:16 | C | 18 00 37.74 | +25 12 25.4 | – | q | 006 |
| 2018-09-14 18:56:42 | C | 18 00 37.70 | +25 12 09.8 | – | q | 006 |
| 2018-09-14 18:57:10 | C | 18 00 37.65 | +25 11 53.8 | – | q | 006 |
| 2018-09-14 18:57:36 | C | 18 00 37.63 | +25 11 38.0 | – | q | 006 |
| 2018-09-14 18:58:16 | C | 18 00 37.61 | +25 11 14.4 | – | q | 006 |
| 2018-09-14 18:58:42 | C | 18 00 37.57 | +25 10 59.6 | – | q | 006 |
| 2018-09-14 18:59:09 | C | 18 00 37.54 | +25 10 44.1 | – | q | 006 |
| 2018-09-14 18:59:40 | C | 18 00 37.52 | +25 10 26.1 | – | q | 006 |
| 2018-09-14 19:00:10 | C | 18 00 37.49 | +25 10 08.5 | – | q | 006 |
| 2018-09-14 20:04:50 | C | 18 00 33.56 | +24 31 38.5 | – | t | K85 |
| 2018-09-14 20:14:09 | C | 18 00 33.07 | +24 26 08.2 | – | t | K85 |
| 2018-09-14 21:12:44 | C | 18 00 30.07 | +23 51 08.2 | – | q | C23 |
| 2018-09-14 21:22:32 | C | 18 00 29.58 | +23 45 15.7 | – | q | C23 |
| 2018-09-14 21:32:18 | C | 18 00 29.11 | +23 39 22.2 | – | q | C23 |
| 2018-09-14 21:42:06 | C | 18 00 28.63 | +23 33 27.9 | – | q | C23 |
| 2018-09-14 21:51:53 | C | 18 00 28.18 | +23 27 32.9 | – | q | C23 |
| 2018-09-14 22:01:41 | C | 18 00 27.73 | +23 21 37.7 | – | q | C23 |
| 2018-09-14 22:11:28 | C | 18 00 27.29 | +23 15 41.9 | – | q | C23 |
| 2018-09-14 22:21:16 | C | 18 00 26.87 | +23 09 44.9 | – | q | C23 |
| 2018-09-14 22:55:32 | C | 18 00 25.44 | +22 48 52.7 | – | q | C23 |
| 2018-09-14 23:00:25 | C | 18 00 25.25 | +22 45 53.1 | – | q | C23 |
| 2018-09-14 23:05:19 | C | 18 00 25.06 | +22 42 53.3 | – | q | C23 |
| 2018-09-14 23:10:13 | C | 18 00 24.87 | +22 39 53.5 | – | q | C23 |
| 2018-09-15 02:52:23 | C | 18 00 22.39 | +20 22 41.9 | 13.3 | r | 718 |
| 2018-09-15 02:53:32 | C | 18 00 22.33 | +20 21 58.2 | 13.3 | r | 718 |
| 2018-09-15 02:55:49 | C | 18 00 22.18 | +20 20 31.7 | 13.3 | r | 718 |
| 2018-09-15 02:56:58 | C | 18 00 22.10 | +20 19 48.2 | 13.3 | r | 718 |
| 2018-09-15 03:30:00 | C | 18 00 17.30 | +19 58 35.1 | – | q | W19 |
| 2018-09-15 03:34:45 | C | 18 00 17.06 | +19 55 33.0 | – | q | W19 |
| 2018-09-15 03:39:29 | C | 18 00 16.81 | +19 52 32.0 | – | q | W19 |
| 2018-09-15 03:44:12 | C | 18 00 16.57 | +19 49 31.5 | – | q | W19 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 2018-09-13 23:09:00 | 70063993.65 | 1.6 | us | 2380 | -1 | -1 |
| 2018-09-14 22:36:00 | 61266356.76 | 1 | us | 2380 | -1 | -1 |
| 2018-09-15 22:30:00 | 56169652 | 0.6 | us | 2380 | -1 | -1 |