IAA Minor Planet Database| 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 |
|---|---|---|---|---|---|---|
| 2016-03-28 06:59:05 | C | 10 48 30.622 | +08 36 26.86 | – | L | F51 |
| 2016-03-28 07:17:55 | C | 10 48 28.545 | +08 36 35.79 | – | L | F51 |
| 2016-03-28 07:36:52 | C | 10 48 26.415 | +08 36 45.08 | – | L | F51 |
| 2016-03-28 10:16:14 | C | 10 48 07.98 | +08 37 58.5 | – | o | 291 |
| 2016-03-28 10:22:28 | C | 10 48 07.30 | +08 38 01.5 | – | o | 291 |
| 2016-03-28 10:28:43 | C | 10 48 06.64 | +08 38 04.5 | – | o | 291 |
| 2016-04-03 03:56:32 | C | 10 32 54.34 | +09 44 29.5 | – | o | 691 |
| 2016-04-03 04:02:52 | C | 10 32 53.68 | +09 44 32.2 | – | o | 691 |
| 2016-04-03 04:09:11 | C | 10 32 53.02 | +09 44 35.3 | – | o | 691 |
| 2016-04-04 03:56:15 | C | 10 30 10.75 | +09 55 45.8 | – | q | G96 |
| 2016-04-04 04:03:47 | C | 10 30 09.82 | +09 55 49.4 | – | q | G96 |
| 2016-04-04 04:11:19 | C | 10 30 08.99 | +09 55 52.8 | – | q | G96 |
| 2016-04-04 04:18:51 | C | 10 30 08.08 | +09 55 56.5 | – | q | G96 |
| 2016-04-20 05:52:19 | C | 09 46 16.588 | +12 26 24.40 | – | t | 568 |
| 2016-04-20 05:54:18 | C | 09 46 16.379 | +12 26 24.94 | – | t | 568 |
| 2016-04-20 05:56:33 | C | 09 46 16.111 | +12 26 25.55 | – | t | 568 |
| 2016-04-20 06:16:05 | C | 09 46 12.87 | +12 26 25.9 | – | o | 291 |
| 2016-04-20 06:24:35 | C | 09 46 11.93 | +12 26 28.3 | – | o | 291 |
| 2016-04-21 05:37:51 | C | 09 43 38.16 | +12 33 15.8 | – | o | 695 |
| 2016-04-21 06:00:05 | C | 09 43 35.64 | +12 33 21.7 | – | o | 695 |
| 2016-04-22 05:11:02 | C | 09 41 02.81 | +12 39 52.0 | – | o | 695 |
| 2016-04-22 05:34:28 | C | 09 41 00.14 | +12 39 58.1 | – | o | 695 |
| 2016-04-23 03:44:07 | C | 09 38 34.97 | +12 45 55.7 | – | o | 291 |
| 2016-04-23 03:51:41 | C | 09 38 34.06 | +12 45 58.0 | – | o | 291 |
| 2016-04-23 03:59:14 | C | 09 38 33.18 | +12 45 59.6 | – | o | 291 |
| 2016-04-26 15:43:37 | S | 09 29 26.68 | +13 06 28.3 | – | L | C51 |
| 2016-04-26 15:43:48 | S | 09 29 26.67 | +13 06 28.1 | – | L | C51 |
| 2016-04-26 18:52:29 | S | 09 29 06.21 | +13 07 10.6 | – | L | C51 |
| 2016-04-26 20:26:45 | S | 09 28 55.95 | +13 07 31.6 | – | L | C51 |
| 2016-04-26 22:01:10 | S | 09 28 45.70 | +13 07 52.4 | – | L | C51 |
| 2016-04-26 23:35:26 | S | 09 28 35.48 | +13 08 13.7 | – | L | C51 |
| 2016-04-27 02:44:17 | S | 09 28 14.98 | +13 08 54.5 | – | L | C51 |
| 2016-04-27 04:24:50 | C | 09 28 03.17 | +13 09 09.1 | – | o | 691 |
| 2016-04-27 04:30:09 | C | 09 28 02.61 | +13 09 10.2 | – | o | 691 |
| 2016-04-27 04:35:29 | C | 09 28 01.94 | +13 09 11.2 | – | o | 691 |
| 2016-05-03 04:00:58 | C | 09 12 22.09 | +13 36 15.3 | – | o | 291 |
| 2016-05-03 04:08:56 | C | 09 12 21.21 | +13 36 16.8 | – | o | 291 |
| 2016-09-02 09:16:26 | C | 03 09 04.29 | +17 36 02.3 | – | u | H21 |
| 2016-09-02 09:36:24 | C | 03 09 03.27 | +17 36 01.4 | – | u | H21 |
| 2016-09-02 09:49:39 | C | 03 09 02.61 | +17 36 01.1 | – | u | H21 |
| 2016-09-03 08:27:36 | C | 03 07 56.37 | +17 34 48.2 | – | u | H21 |
| 2016-09-03 08:47:51 | C | 03 07 55.30 | +17 34 47.3 | – | u | H21 |
| 2016-09-03 09:02:41 | C | 03 07 54.52 | +17 34 46.1 | – | u | H21 |
| 2016-09-04 09:42:47 | C | 03 06 38.65 | +17 33 11.8 | – | u | H21 |
| 2016-09-04 09:51:34 | C | 03 06 38.17 | +17 33 11.0 | – | u | H21 |
| 2016-09-04 10:01:31 | C | 03 06 37.61 | +17 33 09.9 | – | u | H21 |
| 2016-10-04 06:39:02 | C | 02 11 28.76 | +14 46 22.2 | – | u | H21 |
| 2016-10-04 07:04:32 | C | 02 11 26.44 | +14 46 12.9 | – | u | H21 |
| 2016-10-04 07:30:20 | C | 02 11 24.04 | +14 46 04.0 | – | u | H21 |
| 2016-10-27 05:51:43 | C | 01 29 21.39 | +11 26 42.3 | – | o | 291 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 2025-09-02 09:50:00 | 35184874.99 | 3 | us | 8560 | -14 | -14 |