| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.6583678060 ± 1.76e-08 |
| Semi-major axis (a) | 2.1174129672 AU ± 4.08e-09 |
| Inclination (i) | 20.65229214° ± 7.37e-06 |
| Long. of Asc. Node (Ω) | 143.55227250° ± 2.63e-06 |
| Arg. of Perihelion (ω) | 262.86307290° ± 4.27e-06 |
| Mean Anomaly (M) | 93.32767985° ± 4.46e-06 |
| Mean Motion (n) | 0.3198924010°/day ± 9.25e-10 |
| Perihelion dist (q) | 0.72337644 AU ± 3.74e-08 |
| Aphelion dist (Q) | 3.51144950 AU ± 3.79e-08 |
| Orbital Period | 3.08111815 yr ± 8.91e-09 |
| H (abs. magnitude) | 20.06 |
|---|---|
| G (slope) | 0.15 |
2019 BR4
| Source | IAA |
|---|---|
| Solution Date | 2026-06-01 |
| RMS Residual | 0.293″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.048158 AU |
| Observations Used | 335 |
| Oppositions | 7 |
| Arc Total | 2012-2022 |
| First Observation Used | 2012-07-28 |
| Last Observation Used | 2022-03-01 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2019-01-29 22:07:37 | C | 08 47 34.91 | -19 24 12.8 | – | V | L01 |
| 2019-01-29 22:28:12 | C | 08 47 34.56 | -19 21 06.3 | – | q | K61 |
| 2019-01-29 22:31:29 | C | 08 47 34.64 | -19 20 34.9 | – | q | K61 |
| 2019-01-29 22:32:37 | C | 08 47 34.59 | -19 20 24.7 | – | q | K61 |
| 2019-01-30 12:23:00 | C | 08 47 33.63 | -17 13 54.5 | – | V | 474 |
| 2019-01-30 12:24:27 | C | 08 47 33.61 | -17 13 41.6 | – | V | 474 |
| 2019-01-30 12:25:54 | C | 08 47 33.58 | -17 13 28.5 | – | V | 474 |
| 2019-01-30 12:29:17 | C | 08 47 33.55 | -17 12 58.7 | – | V | 474 |
| 2019-01-30 12:30:44 | C | 08 47 33.51 | -17 12 46.1 | – | V | 474 |
| 2019-01-30 14:45:59 | C | 08 47 31.48 | -16 52 47.7 | – | q | E94 |
| 2019-01-30 15:08:09 | C | 08 47 31.22 | -16 49 31.0 | – | q | E94 |
| 2019-01-30 15:19:16 | C | 08 47 31.11 | -16 47 52.9 | – | q | E94 |
| 2019-01-30 15:30:23 | C | 08 47 30.99 | -16 46 14.5 | – | q | E94 |
| 2019-01-30 23:35:42 | C | 08 47 32.81 | -15 36 47.3 | – | t | K33 |
| 2019-01-30 23:43:38 | C | 08 47 33.09 | -15 35 42.0 | – | V | J95 |
| 2019-01-30 23:47:35 | C | 08 47 33.03 | -15 35 08.0 | – | V | J95 |
| 2019-01-30 23:51:38 | C | 08 47 32.99 | -15 34 33.0 | – | V | J95 |
| 2019-01-30 23:52:31 | C | 08 47 32.54 | -15 34 22.8 | – | t | K33 |
| 2019-01-30 23:55:19 | C | 08 47 32.97 | -15 34 01.3 | – | V | J95 |
| 2019-01-31 00:08:47 | C | 08 47 32.34 | -15 32 00.7 | – | t | K33 |
| 2019-01-31 00:29:21 | C | 08 47 32.20 | -15 29 04.6 | – | t | K33 |
| 2019-01-31 00:56:25 | C | 08 47 32.25 | -15 25 15.1 | – | V | Z99 |
| 2019-01-31 01:00:30 | C | 08 47 32.21 | -15 24 39.8 | – | V | Z99 |
| 2019-01-31 01:04:41 | C | 08 47 32.19 | -15 24 03.7 | – | V | Z99 |
| 2019-01-31 02:55:07 | C | 08 47 33.99 | -15 07 06.7 | – | q | I47 |
| 2019-01-31 03:07:04 | C | 08 47 33.82 | -15 05 25.1 | – | q | I47 |
| 2019-01-31 03:19:16 | C | 08 47 33.67 | -15 03 41.2 | – | q | I47 |
| 2019-01-31 07:41:05 | C | 08 47 32.29 | -14 27 32.4 | – | o | 691 |
| 2019-01-31 07:49:46 | C | 08 47 32.17 | -14 26 19.0 | – | o | 691 |
| 2019-01-31 07:58:10 | C | 08 47 32.05 | -14 25 07.7 | – | o | 691 |
| 2019-02-02 10:43:48 | C | 08 47 30.47 | -07 46 05.4 | – | V | T08 |
| 2019-02-02 10:56:47 | C | 08 47 30.27 | -07 44 31.3 | – | V | T08 |
| 2019-02-02 11:08:53 | C | 08 47 30.14 | -07 43 03.3 | – | V | T08 |
| 2019-02-02 11:21:54 | C | 08 47 29.96 | -07 41 28.2 | – | V | T08 |
| 2019-02-02 13:32:00 | C | 08 47 32.53 | -07 25 03.1 | – | V | 323 |
| 2019-02-02 13:55:38 | C | 08 47 32.26 | -07 22 13.3 | – | V | 323 |
| 2019-02-02 14:10:39 | C | 08 47 32.15 | -07 20 25.5 | – | V | 323 |
| 2019-02-02 14:23:21 | C | 08 47 31.98 | -07 18 54.1 | – | V | 323 |
| 2019-02-03 13:01:31 | C | 08 47 32.70 | -04 41 45.9 | – | V | 323 |
| 2019-02-03 13:06:39 | C | 08 47 32.67 | -04 41 10.2 | – | V | 323 |
| 2019-02-03 13:12:19 | C | 08 47 32.62 | -04 40 33.2 | – | V | 323 |
| 2019-02-03 13:27:51 | C | 08 47 32.46 | -04 38 50.0 | – | V | 323 |
| 2019-02-03 13:33:26 | C | 08 47 32.39 | -04 38 12.8 | – | V | 323 |
| 2019-02-04 09:08:33 | C | 08 47 32.061 | -02 32 02.98 | – | U | F52 |
| 2019-02-04 09:25:19 | C | 08 47 31.875 | -02 30 17.97 | – | U | F52 |
| 2019-02-04 09:42:08 | C | 08 47 31.683 | -02 28 32.52 | – | U | F52 |
| 2019-02-04 09:58:56 | C | 08 47 31.490 | -02 26 47.58 | – | U | F52 |
| 2019-02-04 11:03:24 | C | 08 47 30.75 | -02 20 05.3 | – | V | T05 |
| 2019-02-04 11:16:06 | C | 08 47 30.61 | -02 18 45.8 | – | V | T05 |
| 2019-02-04 11:28:15 | C | 08 47 30.48 | -02 17 30.2 | – | V | T05 |