IAA Minor Planet Database| 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 |
|---|---|---|---|---|---|---|
| 2012-08-02 06:58:36 | C | 23 12 08.09 | +08 16 03.6 | – | v | H21 |
| 2012-08-02 07:06:35 | C | 23 12 10.10 | +08 15 58.0 | – | v | H21 |
| 2012-08-02 07:13:34 | C | 23 12 11.86 | +08 15 53.1 | – | v | H21 |
| 2012-08-02 23:57:02 | C | 23 16 39.29 | +08 03 54.5 | – | u | 160 |
| 2012-08-03 00:01:06 | C | 23 16 40.38 | +08 03 51.3 | – | u | 160 |
| 2012-08-03 00:05:08 | C | 23 16 41.50 | +08 03 48.3 | – | u | 160 |
| 2012-08-03 23:28:10 | C | 23 23 27.06 | +07 44 37.1 | – | u | 160 |
| 2012-08-03 23:32:01 | C | 23 23 28.20 | +07 44 34.0 | – | u | 160 |
| 2012-08-03 23:35:51 | C | 23 23 29.34 | +07 44 30.9 | – | u | 160 |
| 2012-08-05 00:22:11 | C | 23 31 24.17 | +07 20 33.7 | – | u | 160 |
| 2012-08-05 00:26:00 | C | 23 31 25.37 | +07 20 29.0 | – | u | 160 |
| 2012-08-05 00:29:48 | C | 23 31 26.60 | +07 20 25.7 | – | u | 160 |
| 2012-08-07 07:00:53 | C | 23 52 16.45 | +06 11 18.1 | – | u | H45 |
| 2012-08-07 07:02:29 | C | 23 52 17.16 | +06 11 15.2 | – | u | H45 |
| 2012-08-07 07:03:40 | C | 23 52 17.65 | +06 11 13.4 | – | u | H45 |
| 2012-08-07 07:06:02 | C | 23 52 18.65 | +06 11 10.3 | – | u | H45 |
| 2012-08-07 07:07:10 | C | 23 52 19.10 | +06 11 08.3 | – | u | H45 |
| 2012-08-07 07:09:45 | C | 23 52 20.22 | +06 11 04.4 | – | u | H45 |
| 2012-08-07 07:10:41 | C | 23 52 20.61 | +06 11 03.2 | – | u | H45 |
| 2012-08-07 07:11:52 | C | 23 52 21.08 | +06 11 00.9 | – | u | H45 |
| 2012-08-09 00:05:04 | C | 00 11 52.55 | +04 59 38.3 | – | t | B75 |
| 2012-08-09 00:08:16 | C | 00 11 54.17 | +04 59 32.5 | – | t | B75 |
| 2012-08-09 00:10:21 | C | 00 11 55.23 | +04 59 28.6 | – | t | B75 |
| 2012-08-09 00:11:59 | C | 00 11 56.14 | +04 59 25.7 | – | t | B75 |
| 2012-08-09 00:13:37 | C | 00 11 56.91 | +04 59 22.1 | – | t | B75 |
| 2012-08-10 01:06:34 | C | 00 25 53.00 | +04 05 38.6 | – | u | 160 |
| 2012-08-10 01:09:57 | C | 00 25 55.00 | +04 05 30.9 | – | u | 160 |
| 2012-08-10 01:13:02 | C | 00 25 56.76 | +04 05 23.8 | – | u | 160 |
| 2012-08-10 02:48:00 | C | 00 26 53.03 | +04 01 34.5 | – | u | J95 |
| 2012-08-10 02:50:20 | C | 00 26 54.39 | +04 01 29.1 | – | u | J95 |
| 2012-08-10 02:52:41 | C | 00 26 55.78 | +04 01 23.5 | – | u | J95 |
| 2012-08-12 02:16:54 | C | 00 59 00.55 | +01 51 16.8 | – | u | 160 |
| 2012-08-12 02:20:01 | C | 00 59 02.87 | +01 51 07.1 | – | u | 160 |
| 2012-08-12 02:23:08 | C | 00 59 05.19 | +01 50 57.3 | – | u | 160 |
| 2012-08-12 07:54:32 | C | 01 03 21.14 | +01 33 23.8 | – | u | H45 |
| 2012-08-12 07:56:01 | C | 01 03 22.28 | +01 33 19.1 | – | u | H45 |
| 2012-08-12 07:57:08 | C | 01 03 23.13 | +01 33 15.4 | – | u | H45 |
| 2012-08-12 07:58:05 | C | 01 03 23.88 | +01 33 12.1 | – | u | H45 |
| 2012-08-12 07:59:32 | C | 01 03 24.94 | +01 33 07.6 | – | u | H45 |
| 2012-08-12 08:01:52 | C | 01 03 26.76 | +01 33 00.0 | – | u | H45 |
| 2012-08-12 08:03:53 | C | 01 03 28.34 | +01 32 53.5 | – | u | H45 |
| 2012-08-12 08:05:20 | C | 01 03 29.44 | +01 32 48.7 | – | u | H45 |
| 2012-08-13 00:28:06 | C | 01 16 44.40 | +00 36 55.3 | – | u | C73 |
| 2012-08-13 00:28:46 | C | 01 16 44.94 | +00 36 53.0 | – | u | C73 |
| 2012-08-13 00:29:26 | C | 01 16 45.48 | +00 36 50.6 | – | u | C73 |
| 2012-08-13 00:30:04 | C | 01 16 46.04 | +00 36 48.2 | – | u | C73 |
| 2012-08-13 00:30:44 | C | 01 16 46.56 | +00 36 46.0 | – | u | C73 |
| 2012-08-13 00:31:24 | C | 01 16 47.11 | +00 36 43.8 | – | u | C73 |
| 2012-08-13 00:32:04 | C | 01 16 47.65 | +00 36 41.3 | – | u | C73 |
| 2012-08-13 00:32:43 | C | 01 16 48.22 | +00 36 39.0 | – | u | C73 |