| 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 |
|---|---|---|---|---|---|---|
| 2019-01-14 21:14:36 | S | 04 21 01.066 | -70 50 37.93 | – | V | C57 |
| 2019-01-14 21:14:36 | s | 1 -124932.79 | 5 +359781.65 | 2270.0 | – | C57 |
| 2019-01-14 22:14:36 | S | 04 21 05.225 | -70 49 26.08 | – | V | C57 |
| 2019-01-14 22:14:36 | s | 1 -126522.60 | 0 +358534.73 | 3410.0 | – | C57 |
| 2019-01-15 01:14:36 | S | 04 21 16.140 | -70 45 40.25 | – | V | C57 |
| 2019-01-15 01:14:36 | s | 1 -131221.95 | 0 +354592.94 | 9010.0 | – | C57 |
| 2019-01-15 02:44:36 | S | 04 21 23.693 | -70 43 48.04 | – | V | C57 |
| 2019-01-15 02:44:36 | s | 1 -133530.90 | 1 +352508.69 | 870.0 | – | C57 |
| 2019-01-15 04:14:36 | S | 04 21 29.383 | -70 42 01.40 | – | V | C57 |
| 2019-01-15 04:14:36 | s | 1 -135811.72 | 3 +350348.63 | 570.0 | – | C57 |
| 2019-01-15 08:44:36 | S | 04 21 46.922 | -70 36 18.43 | – | V | C57 |
| 2019-01-15 08:44:36 | s | 1 -142477.77 | 3 +343411.70 | 9010.0 | – | C57 |
| 2019-01-15 09:14:36 | S | 04 21 48.482 | -70 35 41.86 | – | V | C57 |
| 2019-01-15 09:14:36 | s | 1 -143201.47 | 7 +342598.47 | 9920.0 | – | C57 |
| 2019-01-15 11:44:36 | S | 04 21 59.542 | -70 32 26.52 | – | V | C57 |
| 2019-01-15 11:44:36 | s | 1 -146766.81 | 5 +338404.25 | 3230.0 | – | C57 |
| 2019-01-15 13:14:36 | S | 04 22 06.053 | -70 30 36.43 | – | V | C57 |
| 2019-01-15 13:14:36 | s | 1 -148862.33 | 6 +335784.92 | 8700.0 | – | C57 |
| 2019-01-15 15:44:36 | S | 04 22 14.827 | -70 27 30.20 | – | V | C57 |
| 2019-01-15 15:44:36 | s | 1 -152279.67 | 5 +331247.59 | 6920.0 | – | C57 |
| 2019-01-15 20:14:36 | S | 04 22 34.025 | -70 21 50.36 | – | V | C57 |
| 2019-01-15 20:14:36 | s | 1 -158179.69 | 9 +322533.21 | 2290.0 | – | C57 |
| 2019-01-15 21:14:36 | S | 04 22 36.775 | -70 20 36.17 | – | V | C57 |
| 2019-01-15 21:14:36 | s | 1 -159444.97 | 7 +320500.54 | 4990.0 | – | C57 |
| 2019-01-15 21:44:36 | S | 04 22 40.111 | -70 19 52.25 | – | V | C57 |
| 2019-01-15 21:44:36 | s | 1 -160071.14 | 1 +319471.01 | 610.0 | – | C57 |
| 2019-01-16 00:44:36 | S | 04 22 51.103 | -70 16 04.73 | – | V | C57 |
| 2019-01-16 00:44:36 | s | 1 -163734.99 | 2 +313108.30 | 2270.0 | – | C57 |
| 2019-01-16 01:44:36 | S | 04 22 55.870 | -70 14 48.26 | – | V | C57 |
| 2019-01-16 01:44:36 | s | 1 -164919.82 | 6 +310916.36 | 3080.0 | – | C57 |
| 2019-01-16 04:44:36 | S | 04 23 08.498 | -70 11 03.70 | – | V | C57 |
| 2019-01-16 04:44:36 | s | 1 -168360.26 | 0 +304125.68 | 3600.0 | – | C57 |
| 2019-01-16 05:44:36 | S | 04 23 12.780 | -70 09 39.78 | – | V | C57 |
| 2019-01-16 05:44:36 | s | 1 -169467.87 | 2 +301790.07 | 4160.0 | – | C57 |
| 2019-01-16 06:14:36 | S | 04 23 15.118 | -70 09 03.24 | – | V | C57 |
| 2019-01-16 06:14:36 | s | 1 -170014.12 | 4 +300608.68 | 3530.0 | – | C57 |
| 2019-01-16 08:44:36 | S | 04 23 25.315 | -70 05 54.67 | – | V | C57 |
| 2019-01-16 08:44:36 | s | 1 -172667.93 | 7 +294565.13 | 2180.0 | – | C57 |
| 2019-01-16 14:14:36 | S | 04 23 48.790 | -69 58 39.36 | – | V | C57 |
| 2019-01-16 14:14:36 | s | 1 -178026.90 | 3 +280458.61 | 1470.0 | – | C57 |
| 2019-01-16 16:14:36 | S | 04 23 57.624 | -69 56 00.53 | – | V | C57 |
| 2019-01-16 16:14:36 | s | 1 -179801.42 | 3 +275048.56 | 9450.0 | – | C57 |
| 2019-01-16 17:14:36 | S | 04 24 01.260 | -69 54 49.25 | – | V | C57 |
| 2019-01-16 17:14:36 | s | 1 -180651.88 | 0 +272286.72 | 3200.0 | – | C57 |
| 2019-01-16 22:14:36 | S | 04 24 21.929 | -69 48 10.04 | – | V | C57 |
| 2019-01-16 22:14:36 | s | 1 -184515.87 | 7 +257901.99 | 2040.0 | – | C57 |
| 2019-01-17 00:14:36 | S | 04 24 32.064 | -69 45 35.57 | – | V | C57 |
| 2019-01-17 00:14:36 | s | 1 -185870.11 | 9 +251875.86 | 3990.0 | – | C57 |
| 2019-01-17 02:44:36 | S | 04 24 42.804 | -69 42 22.46 | – | V | C57 |
| 2019-01-17 02:44:36 | s | 1 -187398.68 | 4 +244120.78 | 2750.0 | – | C57 |
| 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 |