| 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 |
|---|---|---|---|---|---|---|
| 2016-10-27 06:02:06 | C | 01 29 20.79 | +11 26 39.7 | – | o | 291 |
| 2016-10-27 06:12:30 | C | 01 29 20.11 | +11 26 35.9 | – | o | 291 |
| 2025-08-31 03:59:48 | B | 03 18 35.454 | -58 43 24.32 | – | Z | Y05 |
| 2025-08-31 04:02:43 | B | 03 18 14.224 | -58 41 59.58 | – | Z | Y05 |
| 2025-08-31 04:03:47 | B | 03 18 06.459 | -58 41 28.32 | – | Z | Y05 |
| 2025-08-31 04:06:09 | B | 03 17 49.303 | -58 40 18.85 | – | Z | Y05 |
| 2025-09-01 02:23:00 | B | 01 35 27.652 | -45 39 56.99 | – | Z | Y05 |
| 2025-09-01 02:24:25 | B | 01 35 23.582 | -45 39 10.10 | – | Z | Y05 |
| 2025-09-01 02:25:49 | B | 01 35 19.635 | -45 38 24.22 | – | Z | Y05 |
| 2025-09-01 02:27:09 | B | 01 35 15.781 | -45 37 40.08 | – | Z | Y05 |
| 2025-09-01 06:06:56 | C | 01 25 35.770 | -43 36 52.49 | – | V | W68 |
| 2025-09-01 06:11:37 | C | 01 25 24.014 | -43 34 23.02 | – | V | W68 |
| 2025-09-01 06:18:53 | C | 01 25 05.801 | -43 30 30.60 | – | V | W68 |
| 2025-09-01 06:34:43 | C | 01 24 26.438 | -43 22 05.81 | – | V | W68 |
| 2025-09-03 02:43:22 | B | 00 28 28.598 | -26 40 22.37 | – | Z | X33 |
| 2025-09-03 02:45:55 | B | 00 28 26.642 | -26 39 44.86 | – | Z | X33 |
| 2025-09-03 02:48:27 | B | 00 28 24.948 | -26 39 06.26 | – | Z | X33 |
| 2025-09-03 11:03:35 | C | 00 23 12.802 | -24 43 37.70 | – | V | T05 |
| 2025-09-03 11:08:11 | C | 00 23 09.936 | -24 42 37.22 | – | V | T05 |
| 2025-09-03 11:15:24 | C | 00 23 05.443 | -24 41 02.29 | – | V | T05 |
| 2025-09-03 11:55:37 | C | 00 22 40.584 | -24 32 15.00 | – | V | T05 |
| 2025-09-04 10:44:07 | C | 00 12 24.610 | -20 20 33.29 | – | V | T05 |
| 2025-09-04 10:48:02 | C | 00 12 22.982 | -20 19 57.32 | – | V | T05 |
| 2025-09-04 11:18:33 | C | 00 12 10.334 | -20 15 16.31 | – | V | T05 |
| 2025-09-04 11:37:04 | C | 00 12 02.705 | -20 12 26.46 | – | V | T05 |
| 2025-09-04 14:10:56 | C | 00 11 10.594 | -19 47 01.61 | – | V | Q62 |
| 2025-09-04 14:17:20 | C | 00 11 08.102 | -19 46 05.73 | – | V | Q62 |
| 2025-09-04 14:18:34 | C | 00 11 07.616 | -19 45 54.72 | – | V | Q62 |
| 2025-09-04 14:23:43 | C | 00 11 05.611 | -19 45 09.83 | – | V | Q62 |
| 2025-09-04 14:30:05 | C | 00 11 03.125 | -19 44 13.81 | – | V | Q62 |
| 2025-09-04 14:32:39 | C | 00 11 02.133 | -19 43 51.62 | – | V | Q62 |
| 2025-09-04 14:38:43 | C | 00 10 59.764 | -19 42 58.46 | – | V | Q62 |
| 2025-09-04 14:45:06 | C | 00 10 57.301 | -19 42 02.76 | – | V | Q62 |
| 2025-09-04 14:46:16 | C | 00 10 56.844 | -19 41 52.57 | – | V | Q62 |
| 2025-09-04 14:51:32 | C | 00 10 54.799 | -19 41 06.25 | – | V | Q62 |
| 2025-09-04 14:57:57 | C | 00 10 52.306 | -19 40 10.57 | – | V | Q62 |
| 2025-09-04 14:59:52 | C | 00 10 51.563 | -19 39 53.75 | – | V | Q62 |
| 2025-09-05 01:02:17 | C | 00 07 38.143 | -18 20 46.03 | – | Z | C23 |
| 2025-09-05 01:03:56 | C | 00 07 37.586 | -18 20 33.14 | – | Z | C23 |
| 2025-09-05 01:40:29 | C | 00 07 25.822 | -18 15 53.14 | – | Z | C23 |
| 2025-09-05 01:41:44 | C | 00 07 25.524 | -18 15 43.52 | – | Z | C23 |
| 2025-09-05 23:31:00 | B | 00 01 56.878 | -15 50 51.94 | – | V | L65 |
| 2025-09-05 23:45:03 | B | 00 01 53.472 | -15 49 30.72 | – | V | L65 |
| 2025-09-05 23:59:06 | B | 00 01 50.095 | -15 48 09.86 | – | V | L65 |
| 2025-09-06 03:30:00 | C | 00 01 08.767 | -15 25 40.80 | – | V | W68 |
| 2025-09-06 03:33:55 | C | 00 01 07.817 | -15 25 19.49 | – | V | W68 |
| 2025-09-06 03:35:13 | C | 00 01 07.531 | -15 25 12.36 | – | V | W68 |
| 2025-09-06 03:39:28 | C | 00 01 06.518 | -15 24 49.46 | – | V | W68 |
| 2025-09-06 03:44:03 | C | 00 01 05.436 | -15 24 24.19 | – | V | W68 |
| 2025-09-06 04:14:29 | C | 00 00 58.198 | -15 21 38.34 | – | V | W68 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 2025-09-02 09:50:00 | 35184874.99 | 3 | us | 8560 | -14 | -14 |