| 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 |
|---|---|---|---|---|---|---|
| 2018-09-02 08:16:07 | C | 18 11 36.54 | +75 08 50.4 | – | r | 718 |
| 2018-09-02 08:20:45 | C | 18 11 36.29 | +75 08 39.8 | – | r | 718 |
| 2018-09-02 08:25:22 | C | 18 11 36.08 | +75 08 28.6 | – | r | 718 |
| 2018-09-02 08:29:35 | C | 18 11 35.79 | +75 08 19.1 | – | r | 718 |
| 2018-09-03 05:28:33 | C | 18 10 42.49 | +74 18 56.9 | – | r | 718 |
| 2018-09-03 05:29:46 | C | 18 10 42.37 | +74 18 54.0 | – | r | 718 |
| 2018-09-03 05:31:00 | C | 18 10 42.29 | +74 18 51.0 | – | r | 718 |
| 2018-09-03 05:32:14 | C | 18 10 42.25 | +74 18 47.7 | – | r | 718 |
| 2018-09-03 05:33:27 | C | 18 10 42.18 | +74 18 44.3 | – | r | 718 |
| 2018-09-03 05:35:37 | C | 18 10 41.99 | +74 18 38.8 | – | r | 718 |
| 2018-09-03 08:27:31 | C | 18 10 33.60 | +74 11 30.9 | – | U | T05 |
| 2018-09-03 08:32:09 | C | 18 10 33.22 | +74 11 18.5 | – | U | T05 |
| 2018-09-03 08:54:25 | C | 18 10 31.59 | +74 10 19.3 | – | U | T05 |
| 2018-09-03 08:57:03 | C | 18 10 31.58 | +74 10 11.9 | – | U | T05 |
| 2018-09-03 16:42:58 | C | 18 10 14.98 | +73 49 56.5 | – | q | C97 |
| 2018-09-03 16:45:04 | C | 18 10 14.76 | +73 49 50.7 | – | q | C97 |
| 2018-09-03 16:47:13 | C | 18 10 14.65 | +73 49 44.8 | – | q | C97 |
| 2018-09-03 16:50:03 | C | 18 10 14.42 | +73 49 36.4 | – | q | C97 |
| 2018-09-03 19:05:43 | C | 18 10 09.01 | +73 43 19.7 | – | t | 073 |
| 2018-09-03 19:30:55 | C | 18 10 07.71 | +73 42 10.4 | – | t | 073 |
| 2018-09-03 20:04:32 | C | 18 10 04.99 | +73 40 33.0 | – | t | 073 |
| 2018-09-03 20:43:13 | C | 18 10 02.41 | +73 38 44.7 | – | t | 073 |
| 2018-09-04 07:33:33 | C | 18 09 32.79 | +73 07 39.1 | 16.3 | r | 718 |
| 2018-09-04 07:36:57 | C | 18 09 32.63 | +73 07 28.6 | 16.3 | r | 718 |
| 2018-09-04 07:40:20 | C | 18 09 32.49 | +73 07 18.2 | 16.3 | r | 718 |
| 2018-09-04 07:43:44 | C | 18 09 32.30 | +73 07 08.2 | 16.3 | r | 718 |
| 2018-09-04 07:47:07 | C | 18 09 32.14 | +73 06 57.3 | 16.2 | r | 718 |
| 2018-09-04 19:02:56 | C | 18 09 08.16 | +72 32 42.5 | – | t | 073 |
| 2018-09-04 19:44:58 | C | 18 09 05.41 | +72 30 26.3 | – | t | 073 |
| 2018-09-04 20:35:24 | C | 18 09 02.08 | +72 27 40.3 | – | t | 073 |
| 2018-09-04 21:22:28 | C | 18 08 59.25 | +72 25 04.2 | – | t | 073 |
| 2018-09-04 22:06:09 | C | 18 08 56.97 | +72 22 38.4 | – | t | 073 |
| 2018-09-05 05:38:32 | C | 18 08 39.47 | +71 57 43.6 | 15.7 | r | 718 |
| 2018-09-05 05:41:56 | C | 18 08 39.26 | +71 57 31.6 | 15.6 | r | 718 |
| 2018-09-05 05:45:15 | C | 18 08 39.06 | +71 57 19.8 | 15.6 | r | 718 |
| 2018-09-05 05:48:33 | C | 18 08 38.84 | +71 57 08.3 | 15.7 | r | 718 |
| 2018-09-05 05:51:52 | C | 18 08 38.62 | +71 56 56.8 | 15.6 | r | 718 |
| 2018-09-05 05:55:11 | C | 18 08 38.43 | +71 56 45.1 | 15.6 | r | 718 |
| 2018-09-05 06:21:30 | C | 18 08 36.70 | +71 55 16.1 | – | U | I41 |
| 2018-09-05 07:48:46 | C | 18 08 31.67 | +71 50 03.6 | – | U | I41 |
| 2018-09-05 07:50:08 | C | 18 08 31.60 | +71 49 58.5 | – | U | I41 |
| 2018-09-05 07:51:27 | C | 18 08 31.56 | +71 49 53.8 | – | U | I41 |
| 2018-09-06 06:44:43 | C | 18 07 37.34 | +70 23 48.3 | 16.0 | r | 718 |
| 2018-09-06 06:48:10 | C | 18 07 37.15 | +70 23 33.6 | 16.0 | r | 718 |
| 2018-09-06 06:51:33 | C | 18 07 37.03 | +70 23 19.5 | 16.0 | r | 718 |
| 2018-09-06 06:54:57 | C | 18 07 36.82 | +70 23 05.2 | 15.9 | r | 718 |
| 2018-09-06 06:58:20 | C | 18 07 36.68 | +70 22 51.1 | 15.9 | r | 718 |
| 2018-09-06 07:01:43 | C | 18 07 36.48 | +70 22 36.9 | 15.9 | r | 718 |
| 2018-09-06 13:46:53 | S | 18 07 27.93 | +69 54 11.3 | – | L | C51 |
| 2018-09-06 16:06:51 | C | 18 07 19.83 | +69 44 41.1 | – | q | C97 |
| 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 |