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 |
|---|---|---|---|---|---|---|
| 2025-09-15 21:15:33 | C | 23 40 41.68 | -06 18 02.5 | – | V | G17 |
| 2025-09-15 21:23:03 | C | 23 40 41.34 | -06 17 55.4 | – | V | G17 |
| 2025-09-15 21:29:13 | B | 23 40 41.054 | -06 17 49.78 | – | V | 160 |
| 2025-09-15 21:30:34 | C | 23 40 40.99 | -06 17 48.1 | – | V | G17 |
| 2025-09-15 21:35:00 | B | 23 40 40.800 | -06 17 43.91 | – | V | 160 |
| 2025-09-15 21:40:46 | B | 23 40 40.514 | -06 17 38.15 | – | V | 160 |
| 2025-09-15 23:18:22 | B | 23 40 34.72 | -06 16 04.4 | – | X | L76 |
| 2025-09-15 23:29:10 | B | 23 40 34.24 | -06 15 53.3 | – | X | L76 |
| 2025-09-15 23:39:24 | B | 23 40 33.80 | -06 15 44.1 | – | X | L76 |
| 2025-09-16 06:42:09 | C | 23 40 20.363 | -06 08 51.04 | – | V | 703 |
| 2025-09-16 06:45:26 | C | 23 40 20.183 | -06 08 47.90 | – | V | 703 |
| 2025-09-16 06:48:42 | C | 23 40 20.064 | -06 08 44.77 | – | V | 703 |
| 2025-09-16 06:51:58 | C | 23 40 19.870 | -06 08 42.11 | – | V | 703 |
| 2025-09-16 09:10:26 | C | 23 40 15.620 | -06 06 24.11 | – | X | F52 |
| 2025-09-16 09:24:17 | C | 23 40 14.952 | -06 06 11.39 | – | X | F52 |
| 2025-09-16 09:38:07 | C | 23 40 14.278 | -06 05 58.62 | – | X | F52 |
| 2025-09-17 11:01:09 | B | 23 39 25.481 | -05 43 06.24 | – | X | E52 |
| 2025-09-17 11:05:00 | B | 23 39 25.306 | -05 43 02.86 | – | X | E52 |
| 2025-09-17 11:09:19 | B | 23 39 25.109 | -05 42 59.29 | – | X | E52 |
| 2025-09-17 20:59:00 | B | 23 39 06.782 | -05 36 06.48 | – | V | 160 |
| 2025-09-17 21:02:51 | B | 23 39 06.614 | -05 36 03.35 | – | V | 160 |
| 2025-09-17 21:07:22 | B | 23 39 06.425 | -05 35 59.71 | – | V | 160 |
| 2025-09-18 20:40:14 | B | 23 38 27.211 | -05 18 26.14 | – | V | 160 |
| 2025-09-18 20:46:22 | B | 23 38 27.002 | -05 18 22.03 | – | V | 160 |
| 2025-09-18 20:52:41 | B | 23 38 26.794 | -05 18 17.35 | – | V | 160 |
| 2025-09-18 22:37:38 | B | 23 38 23.117 | -05 17 06.22 | – | X | K87 |
| 2025-09-18 22:42:55 | B | 23 38 22.930 | -05 17 02.33 | – | X | K87 |
| 2025-09-18 22:48:11 | B | 23 38 22.754 | -05 16 58.73 | – | X | K87 |
| 2025-09-18 23:20:03 | C | 23 38 21.182 | -05 15 40.90 | – | V | M22 |
| 2025-09-18 23:50:17 | C | 23 38 20.081 | -05 15 19.76 | – | V | M22 |
| 2025-09-18 23:54:10 | C | 23 38 19.961 | -05 15 16.96 | – | V | M22 |
| 2025-09-19 00:29:47 | C | 23 38 18.689 | -05 14 51.94 | – | V | M22 |
| 2025-09-20 09:58:02 | C | 23 37 32.099 | -04 53 42.14 | – | X | F51 |
| 2025-09-20 10:13:17 | C | 23 37 31.594 | -04 53 32.87 | – | X | F51 |
| 2025-09-20 10:28:39 | C | 23 37 31.088 | -04 53 23.53 | – | X | F51 |
| 2025-09-20 10:43:58 | C | 23 37 30.581 | -04 53 14.15 | – | X | F51 |
| 2025-09-21 13:20:34 | C | 23 36 59.638 | -04 37 21.83 | – | V | P07 |
| 2025-09-21 15:43:27 | C | 23 36 55.577 | -04 36 04.03 | – | V | P07 |
| 2025-09-21 16:53:05 | C | 23 36 53.554 | -04 35 26.16 | – | V | P07 |
| 2025-09-21 17:57:41 | C | 23 36 51.684 | -04 34 51.31 | – | V | P07 |
| 2025-09-22 19:18:25 | B | 23 36 26.70 | -04 22 22.1 | – | X | L76 |
| 2025-09-22 19:40:09 | B | 23 36 26.20 | -04 22 11.6 | – | X | L76 |
| 2025-09-22 20:01:52 | B | 23 36 25.70 | -04 22 00.5 | – | X | L76 |
| 2025-09-24 05:24:00 | C | 23 35 55.871 | -04 06 13.14 | – | V | G96 |
| 2025-09-24 05:31:28 | C | 23 35 55.720 | -04 06 09.94 | – | V | G96 |
| 2025-09-24 05:38:55 | C | 23 35 55.550 | -04 06 06.66 | – | V | G96 |
| 2025-09-24 05:46:22 | C | 23 35 55.388 | -04 06 03.35 | – | V | G96 |
| 2025-09-25 08:32:41 | C | 23 35 35.216 | -03 54 29.95 | – | X | F51 |
| 2025-09-25 08:46:57 | C | 23 35 34.930 | -03 54 24.11 | – | X | F51 |
| 2025-09-25 09:01:12 | C | 23 35 34.641 | -03 54 18.30 | – | X | F51 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 2025-09-02 09:50:00 | 35184874.99 | 3 | us | 8560 | -14 | -14 |