| 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 |
|---|---|---|---|---|---|---|
| 2019-01-12 22:44:36 | S | 04 18 05.885 | -71 46 54.37 | – | V | C57 |
| 2019-01-12 22:44:36 | s | 1 -41537.519 | 0 +380926.45 | 7090.0 | – | C57 |
| 2019-01-13 01:44:36 | S | 04 18 16.613 | -71 43 38.86 | – | V | C57 |
| 2019-01-13 01:44:36 | s | 1 -47313.011 | 0 +381762.12 | 8090.0 | – | C57 |
| 2019-01-13 08:44:36 | S | 04 18 41.638 | -71 35 11.83 | – | V | C57 |
| 2019-01-13 08:44:36 | s | 1 -60646.097 | 0 +382510.02 | 9970.0 | – | C57 |
| 2019-01-13 09:14:36 | S | 04 18 44.206 | -71 34 30.90 | – | V | C57 |
| 2019-01-13 09:14:36 | s | 1 -61589.743 | 0 +382499.56 | 3830.0 | – | C57 |
| 2019-01-13 10:44:36 | S | 04 18 49.022 | -71 32 47.83 | – | V | C57 |
| 2019-01-13 10:44:36 | s | 1 -64412.988 | 0 +382417.41 | 4900.0 | – | C57 |
| 2019-01-13 11:44:36 | S | 04 18 53.731 | -71 31 33.71 | – | V | C57 |
| 2019-01-13 11:44:36 | s | 1 -66288.543 | 0 +382320.40 | 7990.0 | – | C57 |
| 2019-01-13 12:14:36 | S | 04 18 56.386 | -71 31 01.56 | – | V | C57 |
| 2019-01-13 12:14:36 | s | 1 -67224.277 | 0 +382259.24 | 2600.0 | – | C57 |
| 2019-01-13 13:14:36 | S | 04 19 00.310 | -71 29 40.09 | – | V | C57 |
| 2019-01-13 13:14:36 | s | 1 -69091.562 | 0 +382111.65 | 8510.0 | – | C57 |
| 2019-01-13 13:44:36 | S | 04 19 01.039 | -71 29 10.36 | – | V | C57 |
| 2019-01-13 13:44:36 | s | 1 -70023.071 | 0 +382025.23 | 40.0 | – | C57 |
| 2019-01-13 14:14:36 | S | 04 19 02.225 | -71 28 27.30 | – | V | C57 |
| 2019-01-13 14:14:36 | s | 1 -70958.986 | 0 +381931.59 | 9700.0 | – | C57 |
| 2019-01-13 17:14:36 | S | 04 19 14.107 | -71 24 55.44 | – | V | C57 |
| 2019-01-13 17:14:36 | s | 1 -76507.976 | 0 +381186.55 | 2970.0 | – | C57 |
| 2019-01-13 21:14:36 | S | 04 19 27.950 | -71 20 03.59 | – | V | C57 |
| 2019-01-13 21:14:36 | s | 1 -83816.689 | 0 +379724.77 | 1320.0 | – | C57 |
| 2019-01-13 21:44:36 | S | 04 19 30.905 | -71 19 32.59 | – | V | C57 |
| 2019-01-13 21:44:36 | s | 1 -84722.612 | 0 +379504.51 | 9000.0 | – | C57 |
| 2019-01-13 22:44:36 | S | 04 19 33.264 | -71 18 15.88 | – | V | C57 |
| 2019-01-13 22:44:36 | s | 1 -86529.122 | 0 +379039.02 | 1220.0 | – | C57 |
| 2019-01-14 00:14:36 | S | 04 19 41.623 | -71 16 26.83 | – | V | C57 |
| 2019-01-14 00:14:36 | s | 1 -89225.239 | 0 +378278.37 | 10.0 | – | C57 |
| 2019-01-14 01:14:36 | S | 04 19 43.464 | -71 15 20.23 | – | V | C57 |
| 2019-01-14 01:14:36 | s | 1 -91013.309 | 0 +377729.70 | 8190.0 | – | C57 |
| 2019-01-14 02:44:36 | S | 04 19 50.122 | -71 13 22.80 | – | V | C57 |
| 2019-01-14 02:44:36 | s | 1 -93680.987 | 0 +376844.38 | 1680.0 | – | C57 |
| 2019-01-14 04:14:36 | S | 04 19 54.994 | -71 11 37.14 | – | V | C57 |
| 2019-01-14 04:14:36 | s | 1 -96330.845 | 0 +375884.33 | 5900.0 | – | C57 |
| 2019-01-14 05:44:36 | S | 04 20 01.286 | -71 09 46.62 | – | V | C57 |
| 2019-01-14 05:44:36 | s | 1 -98962.310 | 0 +374849.60 | 7790.0 | – | C57 |
| 2019-01-14 06:14:36 | S | 04 20 02.107 | -71 09 04.25 | – | V | C57 |
| 2019-01-14 06:14:36 | s | 1 -99835.278 | 0 +374488.09 | 2920.0 | – | C57 |
| 2019-01-14 12:14:36 | S | 04 20 26.386 | -71 01 49.26 | – | V | C57 |
| 2019-01-14 12:14:36 | s | 1 -110138.46 | 6 +369502.94 | 2090.0 | – | C57 |
| 2019-01-14 13:14:36 | S | 04 20 29.448 | -71 00 40.32 | – | V | C57 |
| 2019-01-14 13:14:36 | s | 1 -111823.15 | 3 +368555.89 | 3350.0 | – | C57 |
| 2019-01-14 16:44:36 | S | 04 20 43.039 | -70 56 14.78 | – | V | C57 |
| 2019-01-14 16:44:36 | s | 1 -117641.35 | 0 +364979.47 | 2160.0 | – | C57 |
| 2019-01-14 20:14:36 | S | 04 20 56.734 | -70 52 00.70 | – | V | C57 |
| 2019-01-14 20:14:36 | s | 1 -123331.65 | 8 +360995.12 | 4900.0 | – | C57 |
| 2019-01-14 20:44:36 | S | 04 20 58.774 | -70 51 16.74 | – | V | C57 |
| 2019-01-14 20:44:36 | s | 1 -124133.63 | 0 +360392.56 | 6800.0 | – | 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 |