| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.7138620135 ± 1.49e-08 |
| Semi-major axis (a) | 2.7430809123 AU ± 1.67e-08 |
| Inclination (i) | 2.42591843° ± 2.63e-06 |
| Long. of Asc. Node (Ω) | 6.07706071° ± 2.56e-05 |
| Arg. of Perihelion (ω) | 268.71719953° ± 2.65e-05 |
| Mean Anomaly (M) | 26.60077850° ± 1.56e-07 |
| Mean Motion (n) | 0.2169473497°/day ± 1.98e-09 |
| Perihelion dist (q) | 0.78489965 AU ± 4.11e-08 |
| Aphelion dist (Q) | 4.70126218 AU ± 4.99e-08 |
| Orbital Period | 4.54315890 yr ± 4.15e-08 |
| NGA Model | r2 |
| A2 | -5.75894754e-13 ± 2.37e-14 AU/d² |
| H (abs. magnitude) | 20.88 |
|---|---|
| G (slope) | 0.15 |
2016 EC156
| Source | IAA |
|---|---|
| Solution Date | 2026-05-31 |
| RMS Residual | 0.197″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.019237 AU |
| Observations Used | 341 |
| Radar Obs Used | 1 |
| Oppositions | 21 |
| Arc Total | 1998-2025 |
| First Observation Used | 1998-09-17 |
| Last Observation Used | 2025-10-25 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2025-09-25 09:15:28 | C | 23 35 34.351 | -03 54 12.42 | – | X | F51 |
| 2025-09-27 04:07:50 | C | 23 35 08.131 | -03 37 09.80 | – | V | W68 |
| 2025-09-27 04:13:46 | C | 23 35 08.054 | -03 37 06.74 | – | V | W68 |
| 2025-09-27 04:59:46 | C | 23 35 07.306 | -03 36 50.62 | – | V | W68 |
| 2025-09-27 05:08:57 | C | 23 35 07.181 | -03 36 47.20 | – | V | W68 |
| 2025-09-28 13:46:18 | C | 23 34 53.914 | -03 25 24.17 | – | V | P07 |
| 2025-09-28 13:46:27 | C | 23 34 53.957 | -03 25 24.38 | – | V | P07 |
| 2025-09-28 15:06:40 | C | 23 34 52.822 | -03 24 57.20 | – | V | P07 |
| 2025-09-28 16:04:41 | C | 23 34 52.008 | -03 24 38.23 | – | V | P07 |
| 2025-09-28 17:16:30 | C | 23 34 51.034 | -03 24 14.11 | – | V | P07 |
| 2025-09-29 01:49:25 | C | 23 34 49.594 | -03 21 20.56 | – | W | W74 |
| 2025-09-29 02:48:29 | C | 23 34 48.872 | -03 21 01.32 | – | W | W74 |
| 2025-09-29 02:52:06 | C | 23 34 48.828 | -03 21 00.15 | – | W | W74 |
| 2025-09-29 02:55:42 | C | 23 34 48.783 | -03 20 58.97 | – | W | W74 |
| 2025-09-29 04:11:52 | C | 23 34 47.823 | -03 20 34.04 | – | W | W74 |
| 2025-09-29 04:19:00 | C | 23 34 47.735 | -03 20 31.73 | – | W | W74 |
| 2025-09-30 02:00:13 | C | 23 34 42.327 | -03 13 36.29 | – | W | W74 |
| 2025-09-30 02:07:32 | C | 23 34 42.247 | -03 13 34.05 | – | W | W74 |
| 2025-09-30 02:52:10 | C | 23 34 41.777 | -03 13 20.11 | – | W | W74 |
| 2025-09-30 02:59:30 | C | 23 34 41.695 | -03 13 17.89 | – | W | W74 |
| 2025-09-30 05:48:07 | C | 23 34 39.904 | -03 12 25.40 | – | W | W74 |
| 2025-09-30 05:55:19 | C | 23 34 39.835 | -03 12 23.12 | – | W | W74 |
| 2025-10-02 04:51:43 | C | 23 34 33.748 | -02 58 54.52 | – | V | G96 |
| 2025-10-02 04:59:56 | C | 23 34 33.683 | -02 58 52.18 | – | V | G96 |
| 2025-10-02 05:08:06 | C | 23 34 33.622 | -02 58 49.87 | – | V | G96 |
| 2025-10-02 05:16:16 | C | 23 34 33.550 | -02 58 47.24 | – | V | G96 |
| 2025-10-25 14:52:59 | C | 23 40 45.506 | -00 52 48.10 | – | W | O18 |
| 2025-10-25 18:02:14 | C | 23 40 49.093 | -00 52 08.40 | – | W | O18 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 2025-09-02 09:50:00 | 35184874.99 | 3 | us | 8560 | -14 | -14 |