| 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 |
|---|---|---|---|---|---|---|
| 2019-01-10 07:14:36 | S | 04 14 31.051 | -72 58 44.69 | – | V | C57 |
| 2019-01-10 07:14:36 | s | 1 +79328.419 | 0 +282687.27 | 4330.0 | – | C57 |
| 2019-01-10 09:14:36 | S | 04 14 37.243 | -72 56 29.36 | – | V | C57 |
| 2019-01-10 09:14:36 | s | 1 +75912.086 | 0 +288464.91 | 790.0 | – | C57 |
| 2019-01-10 13:14:36 | S | 04 14 51.046 | -72 52 07.75 | – | V | C57 |
| 2019-01-10 13:14:36 | s | 1 +68917.062 | 0 +299411.59 | 1810.0 | – | C57 |
| 2019-01-10 13:44:36 | S | 04 14 50.818 | -72 51 41.29 | – | V | C57 |
| 2019-01-10 13:44:36 | s | 1 +68028.792 | 0 +300724.12 | 7810.0 | – | C57 |
| 2019-01-10 14:14:36 | S | 04 14 52.654 | -72 51 04.36 | – | V | C57 |
| 2019-01-10 14:14:36 | s | 1 +67137.649 | 0 +302024.46 | 4860.0 | – | C57 |
| 2019-01-10 17:44:36 | S | 04 15 03.989 | -72 47 15.90 | – | V | C57 |
| 2019-01-10 17:44:36 | s | 1 +60824.185 | 0 +310790.17 | 7420.0 | – | C57 |
| 2019-01-10 18:44:36 | S | 04 15 08.378 | -72 46 10.81 | – | V | C57 |
| 2019-01-10 18:44:36 | s | 1 +58997.787 | 0 +313188.14 | 1320.0 | – | C57 |
| 2019-01-10 19:14:36 | S | 04 15 09.223 | -72 45 35.46 | – | V | C57 |
| 2019-01-10 19:14:36 | s | 1 +58081.101 | 0 +314369.64 | 380.0 | – | C57 |
| 2019-01-10 22:44:36 | S | 04 15 21.355 | -72 41 47.83 | – | V | C57 |
| 2019-01-10 22:44:36 | s | 1 +51603.953 | 0 +322318.50 | 8460.0 | – | C57 |
| 2019-01-11 01:44:36 | S | 04 15 32.040 | -72 38 20.90 | – | V | C57 |
| 2019-01-11 01:44:36 | s | 1 +45976.763 | 0 +328692.66 | 1880.0 | – | C57 |
| 2019-01-11 02:14:36 | S | 04 15 32.846 | -72 37 45.91 | – | V | C57 |
| 2019-01-11 02:14:36 | s | 1 +45032.875 | 0 +329716.36 | 3260.0 | – | C57 |
| 2019-01-11 07:44:36 | S | 04 15 52.243 | -72 31 39.65 | – | V | C57 |
| 2019-01-11 07:44:36 | s | 1 +34552.952 | 0 +340264.91 | 300.0 | – | C57 |
| 2019-01-11 08:44:36 | S | 04 15 54.977 | -72 30 33.77 | – | V | C57 |
| 2019-01-11 08:44:36 | s | 1 +32630.729 | 0 +342044.97 | 970.0 | – | C57 |
| 2019-01-11 13:14:36 | S | 04 16 10.313 | -72 25 37.81 | – | V | C57 |
| 2019-01-11 13:14:36 | s | 1 +23929.933 | 0 +349543.81 | 1400.0 | – | C57 |
| 2019-01-11 13:44:36 | S | 04 16 11.863 | -72 25 02.89 | – | V | C57 |
| 2019-01-11 13:44:36 | s | 1 +22958.721 | 0 +350326.04 | 7840.0 | – | C57 |
| 2019-01-11 14:14:36 | S | 04 16 13.301 | -72 24 23.76 | – | V | C57 |
| 2019-01-11 14:14:36 | s | 1 +21986.737 | 0 +351098.20 | 9460.0 | – | C57 |
| 2019-01-11 17:14:36 | S | 04 16 23.086 | -72 21 01.33 | – | V | C57 |
| 2019-01-11 17:14:36 | s | 1 +16140.356 | 0 +355521.33 | 9750.0 | – | C57 |
| 2019-01-11 19:14:36 | S | 04 16 30.058 | -72 18 42.44 | – | V | C57 |
| 2019-01-11 19:14:36 | s | 1 +12231.188 | 0 +358272.47 | 6150.0 | – | C57 |
| 2019-01-11 21:14:36 | S | 04 16 37.541 | -72 16 27.44 | – | V | C57 |
| 2019-01-11 21:44:36 | S | 04 16 39.638 | -72 15 55.19 | – | V | C57 |
| 2019-01-11 23:44:36 | S | 04 16 45.377 | -72 13 33.85 | – | V | C57 |
| 2019-01-12 00:44:36 | S | 04 16 50.004 | -72 12 27.43 | – | V | C57 |
| 2019-01-12 01:14:36 | S | 04 16 50.136 | -72 11 52.62 | – | V | C57 |
| 2019-01-12 02:14:36 | S | 04 16 54.343 | -72 10 42.31 | – | V | C57 |
| 2019-01-12 10:14:36 | S | 04 17 21.797 | -72 01 36.73 | – | V | C57 |
| 2019-01-12 10:14:36 | s | 1 -17196.368 | 0 +374046.06 | 6510.0 | – | C57 |
| 2019-01-12 19:44:36 | S | 04 17 54.780 | -71 50 28.10 | – | V | C57 |
| 2019-01-12 19:44:36 | s | 1 -35731.565 | 0 +379778.19 | 9560.0 | – | C57 |
| 2019-01-12 21:14:36 | S | 04 17 59.474 | -71 48 47.77 | – | V | C57 |
| 2019-01-12 21:14:36 | s | 1 -38638.072 | 0 +380391.57 | 4580.0 | – | C57 |
| 2019-01-12 21:44:36 | S | 04 18 02.390 | -71 48 08.53 | – | V | C57 |
| 2019-01-12 21:44:36 | s | 1 -39605.367 | 0 +380578.56 | 3310.0 | – | 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 |