| 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 |
|---|---|---|---|---|---|---|
| 2019-02-05 01:33:40 | C | 08 47 31.59 | -00 51 53.6 | – | V | G40 |
| 2019-02-05 01:48:20 | C | 08 47 31.45 | -00 50 26.2 | – | V | G40 |
| 2019-02-05 02:03:21 | C | 08 47 31.31 | -00 48 57.2 | – | V | G40 |
| 2019-02-05 02:33:31 | C | 08 47 31.01 | -00 45 58.6 | – | V | G40 |
| 2019-02-06 10:46:44 | C | 08 47 34.32 | +02 15 02.6 | – | V | T08 |
| 2019-02-06 10:59:35 | C | 08 47 34.23 | +02 16 11.4 | – | V | T08 |
| 2019-02-06 11:11:44 | C | 08 47 34.11 | +02 17 15.9 | – | V | T08 |
| 2019-02-06 11:24:37 | C | 08 47 33.95 | +02 18 24.3 | – | V | T08 |
| 2019-02-06 22:11:57 | C | 08 47 36.51 | +03 14 21.1 | – | V | B67 |
| 2019-02-06 22:19:49 | C | 08 47 36.47 | +03 15 01.4 | – | V | B67 |
| 2019-02-06 22:27:40 | C | 08 47 36.43 | +03 15 41.3 | – | V | B67 |
| 2019-02-07 15:03:41 | C | 08 47 38.97 | +04 39 04.5 | – | V | 323 |
| 2019-02-07 15:05:14 | C | 08 47 38.98 | +04 39 11.9 | – | V | 323 |
| 2019-02-08 13:00:35 | C | 08 47 43.81 | +06 21 18.4 | – | V | 323 |
| 2019-02-08 13:04:13 | C | 08 47 43.78 | +06 21 34.9 | – | V | 323 |
| 2019-02-08 13:18:50 | C | 08 47 43.75 | +06 22 41.2 | – | V | 323 |
| 2019-02-08 13:22:38 | C | 08 47 43.70 | +06 22 57.2 | – | V | 323 |
| 2019-02-09 00:15:24 | C | 08 47 44.14 | +07 10 06.6 | – | q | C95 |
| 2019-02-09 00:16:47 | C | 08 47 44.18 | +07 10 12.4 | – | q | C95 |
| 2019-02-09 00:18:11 | C | 08 47 44.15 | +07 10 18.2 | – | q | C95 |
| 2019-02-09 00:19:35 | C | 08 47 44.15 | +07 10 24.1 | – | q | C95 |
| 2019-02-09 13:03:50 | C | 08 47 48.95 | +08 05 01.6 | – | V | 323 |
| 2019-02-09 13:07:27 | C | 08 47 48.94 | +08 05 16.5 | – | V | 323 |
| 2019-02-09 14:34:39 | C | 08 47 48.61 | +08 11 17.1 | – | V | 323 |
| 2019-02-10 19:52:40 | C | 08 47 57.13 | +10 05 27.7 | – | V | Z80 |
| 2019-02-10 19:59:15 | C | 08 47 57.14 | +10 05 51.7 | – | V | Z80 |
| 2019-02-10 20:05:54 | C | 08 47 57.11 | +10 06 16.2 | – | V | Z80 |
| 2019-02-11 06:08:18 | C | 08 47 59.52 | +10 43 19.4 | – | V | G96 |
| 2019-02-11 06:16:24 | C | 08 47 59.49 | +10 43 49.0 | – | V | G96 |
| 2019-02-11 06:24:30 | C | 08 47 59.46 | +10 44 17.9 | – | V | G96 |
| 2019-02-11 06:32:36 | C | 08 47 59.45 | +10 44 47.1 | – | V | G96 |
| 2019-02-11 12:56:58 | C | 08 48 02.70 | +11 08 11.8 | – | V | 323 |
| 2019-02-11 13:00:35 | C | 08 48 02.70 | +11 08 24.5 | – | V | 323 |
| 2019-02-11 13:19:25 | C | 08 48 02.66 | +11 09 31.2 | – | V | 323 |
| 2019-02-11 14:00:29 | C | 08 48 02.60 | +11 11 56.1 | – | V | 323 |
| 2019-02-11 22:44:36 | C | 08 48 04.87 | +11 41 32.1 | – | V | 204 |
| 2019-02-11 22:47:30 | C | 08 48 04.88 | +11 41 41.8 | – | V | 204 |
| 2019-02-11 22:50:26 | C | 08 48 04.89 | +11 41 52.0 | – | V | 204 |
| 2019-02-12 12:55:03 | C | 08 48 11.32 | +12 29 29.5 | – | V | 323 |
| 2019-02-12 13:15:24 | C | 08 48 11.38 | +12 30 35.3 | – | V | 323 |
| 2019-02-13 21:56:58 | C | 08 48 24.50 | +14 10 57.6 | – | q | 160 |
| 2019-02-13 22:00:42 | C | 08 48 24.49 | +14 11 08.1 | – | q | 160 |
| 2019-02-13 22:04:25 | C | 08 48 24.46 | +14 11 19.4 | – | q | 160 |
| 2019-02-14 22:27:39 | C | 08 48 36.27 | +15 19 56.3 | – | q | 160 |
| 2019-02-14 22:31:26 | C | 08 48 36.29 | +15 20 06.5 | – | q | 160 |
| 2019-02-14 22:35:16 | C | 08 48 36.28 | +15 20 16.8 | – | q | 160 |
| 2019-02-15 22:40:08 | C | 08 48 49.41 | +16 22 55.8 | – | q | 160 |
| 2019-02-15 22:43:28 | C | 08 48 49.43 | +16 23 04.3 | – | q | 160 |
| 2019-02-15 22:46:49 | C | 08 48 49.41 | +16 23 12.9 | – | q | 160 |
| 2019-02-23 15:23:03 | C | 08 51 13.58 | +22 14 13.2 | – | q | D29 |