| 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 |
|---|---|---|---|---|---|---|
| 2019-01-02 11:14:38 | S | 04 01 07.289 | -76 11 30.59 | – | V | C57 |
| 2019-01-02 11:14:38 | s | 1 -137523.10 | 0 +342906.38 | 7570.0 | – | C57 |
| 2019-01-02 14:14:38 | S | 04 01 18.334 | -76 08 32.10 | – | V | C57 |
| 2019-01-02 14:14:38 | s | 1 -141695.87 | 8 +337694.84 | 1460.0 | – | C57 |
| 2019-01-02 17:44:38 | S | 04 01 32.580 | -76 04 51.64 | – | V | C57 |
| 2019-01-02 17:44:38 | s | 1 -146395.34 | 9 +331223.26 | 5000.0 | – | C57 |
| 2019-01-02 20:14:38 | S | 04 01 41.114 | -76 02 25.01 | – | V | C57 |
| 2019-01-02 20:14:38 | s | 1 -149634.80 | 4 +326340.19 | 7010.0 | – | C57 |
| 2019-01-02 21:14:38 | S | 04 01 45.569 | -76 01 24.17 | – | V | C57 |
| 2019-01-02 21:14:38 | s | 1 -150902.06 | 2 +324325.70 | 7390.0 | – | C57 |
| 2019-01-02 22:14:38 | S | 04 01 48.770 | -76 00 15.19 | – | V | C57 |
| 2019-01-02 22:14:38 | s | 1 -152152.58 | 1 +322276.03 | 2690.0 | – | C57 |
| 2019-01-02 22:44:38 | S | 04 01 50.760 | -75 59 43.30 | – | V | C57 |
| 2019-01-02 22:44:38 | s | 1 -152771.46 | 9 +321237.95 | 4190.0 | – | C57 |
| 2019-01-02 23:14:38 | S | 04 01 51.802 | -75 59 14.28 | – | V | C57 |
| 2019-01-02 23:14:38 | s | 1 -153386.05 | 8 +320191.03 | 1330.0 | – | C57 |
| 2019-01-03 01:14:38 | S | 04 02 00.530 | -75 57 10.48 | – | V | C57 |
| 2019-01-03 01:14:38 | s | 1 -155800.64 | 2 +315914.56 | 2270.0 | – | C57 |
| 2019-01-03 02:14:38 | S | 04 02 02.556 | -75 56 05.03 | – | V | C57 |
| 2019-01-03 02:14:38 | s | 1 -156981.11 | 0 +313722.80 | 1270.0 | – | C57 |
| 2019-01-03 02:44:38 | S | 04 02 06.041 | -75 55 43.32 | – | V | C57 |
| 2019-01-03 02:44:38 | s | 1 -157564.49 | 4 +312613.48 | 2160.0 | – | C57 |
| 2019-01-03 03:14:38 | S | 04 02 08.042 | -75 55 04.76 | – | V | C57 |
| 2019-01-03 03:14:38 | s | 1 -158143.25 | 6 +311495.17 | 7030.0 | – | C57 |
| 2019-01-03 03:44:38 | S | 04 02 10.920 | -75 54 43.60 | – | V | C57 |
| 2019-01-03 03:44:38 | s | 1 -158717.35 | 3 +310367.86 | 5660.0 | – | C57 |
| 2019-01-03 05:14:38 | S | 04 02 16.145 | -75 53 08.20 | – | V | C57 |
| 2019-01-03 05:14:38 | s | 1 -160411.22 | 2 +306931.71 | 1880.0 | – | C57 |
| 2019-01-03 09:44:38 | S | 04 02 33.946 | -75 48 25.70 | – | V | C57 |
| 2019-01-03 09:44:38 | s | 1 -165226.45 | 0 +296130.66 | 9260.0 | – | C57 |
| 2019-01-03 10:14:38 | S | 04 02 34.949 | -75 47 53.48 | – | V | C57 |
| 2019-01-03 10:14:38 | s | 1 -165735.78 | 8 +294884.47 | 5650.0 | – | C57 |
| 2019-01-03 11:14:38 | S | 04 02 39.194 | -75 46 50.20 | – | V | C57 |
| 2019-01-03 11:14:38 | s | 1 -166738.45 | 7 +292364.21 | 9410.0 | – | C57 |
| 2019-01-03 12:44:38 | S | 04 02 44.678 | -75 45 15.66 | – | V | C57 |
| 2019-01-03 12:44:38 | s | 1 -168201.66 | 8 +288513.73 | 8510.0 | – | C57 |
| 2019-01-03 13:44:38 | S | 04 02 48.982 | -75 44 22.02 | – | V | C57 |
| 2019-01-03 13:44:38 | s | 1 -169149.32 | 3 +285899.73 | 7030.0 | – | C57 |
| 2019-01-03 14:14:38 | S | 04 02 50.822 | -75 43 46.49 | – | V | C57 |
| 2019-01-03 14:14:38 | s | 1 -169614.64 | 0 +284578.56 | 9190.0 | – | C57 |
| 2019-01-03 17:44:38 | S | 04 03 05.129 | -75 40 08.04 | – | V | C57 |
| 2019-01-03 17:44:38 | s | 1 -172707.66 | 8 +275063.47 | 7710.0 | – | C57 |
| 2019-01-03 21:44:38 | S | 04 03 21.559 | -75 35 53.66 | – | V | C57 |
| 2019-01-03 21:44:38 | s | 1 -175871.16 | 4 +263608.73 | 6300.0 | – | C57 |
| 2019-01-04 01:44:38 | S | 04 03 38.604 | -75 31 42.42 | – | V | C57 |
| 2019-01-04 01:44:38 | s | 1 -178605.76 | 9 +251521.11 | 8570.0 | – | C57 |
| 2019-01-04 02:14:38 | S | 04 03 39.835 | -75 31 19.70 | – | V | C57 |
| 2019-01-04 02:14:38 | s | 1 -178915.57 | 5 +249964.89 | 8080.0 | – | C57 |
| 2019-01-04 09:44:38 | S | 04 04 11.760 | -75 23 15.90 | – | V | C57 |
| 2019-01-04 09:44:38 | s | 1 -182629.06 | 4 +225383.13 | 6590.0 | – | 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 |