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 |
|---|---|---|---|---|---|---|
| 2012-07-28 00:49:22 | C | 22 46 03.69 | +09 11 01.4 | – | r | J75 |
| 2012-07-28 01:01:22 | C | 22 46 05.67 | +09 10 58.1 | – | r | J75 |
| 2012-07-28 01:13:24 | C | 22 46 07.50 | +09 10 55.0 | – | r | J75 |
| 2012-07-28 02:38:43 | C | 22 46 20.70 | +09 10 32.1 | – | v | 470 |
| 2012-07-28 02:41:09 | C | 22 46 21.19 | +09 10 31.9 | – | v | 470 |
| 2012-07-28 02:43:16 | C | 22 46 21.53 | +09 10 31.0 | – | v | 470 |
| 2012-07-28 02:45:21 | C | 22 46 21.87 | +09 10 30.3 | – | v | 470 |
| 2012-07-28 03:10:01 | C | 22 46 26.21 | +09 10 26.0 | – | r | J75 |
| 2012-07-28 03:14:28 | C | 22 46 26.91 | +09 10 25.0 | – | r | J75 |
| 2012-07-28 03:18:54 | C | 22 46 27.60 | +09 10 23.6 | – | r | J75 |
| 2012-07-28 06:52:48 | C | 22 47 04.55 | +09 09 27.6 | – | t | H21 |
| 2012-07-28 06:57:05 | C | 22 47 05.24 | +09 09 26.3 | – | t | H21 |
| 2012-07-28 07:01:22 | C | 22 47 05.95 | +09 09 25.6 | – | t | H21 |
| 2012-07-28 07:05:15 | C | 22 47 06.55 | +09 09 24.4 | – | t | H21 |
| 2012-07-28 08:08:43 | C | 22 47 17.14 | +09 09 07.6 | – | u | H36 |
| 2012-07-28 08:15:20 | C | 22 47 18.24 | +09 09 05.9 | – | u | H36 |
| 2012-07-28 08:17:32 | C | 22 47 18.58 | +09 09 05.4 | – | u | H36 |
| 2012-07-28 08:18:10 | C | 22 47 17.75 | +09 09 40.9 | – | u | I48 |
| 2012-07-28 08:36:17 | C | 22 47 20.76 | +09 09 36.5 | – | u | I48 |
| 2012-07-28 08:44:03 | C | 22 47 22.01 | +09 09 34.3 | – | u | I48 |
| 2012-07-28 08:54:24 | C | 22 47 23.74 | +09 09 32.3 | – | u | I48 |
| 2012-07-28 09:31:44 | C | 22 47 31.18 | +09 08 44.9 | 18.9 | r | 718 |
| 2012-07-28 09:33:25 | C | 22 47 31.40 | +09 08 47.4 | 19.8 | c | 704 |
| 2012-07-28 09:42:52 | C | 22 47 32.95 | +09 08 42.6 | 18.8 | r | 718 |
| 2012-07-28 09:49:57 | C | 22 47 33.99 | +09 08 44.5 | 19.6 | c | 704 |
| 2012-07-28 09:56:53 | C | 22 47 35.30 | +09 08 38.4 | 18.6 | r | 718 |
| 2012-07-28 10:06:10 | C | 22 47 36.65 | +09 08 39.7 | 19.2 | c | 704 |
| 2012-07-28 21:53:09 | C | 22 49 41.35 | +09 05 10.4 | – | u | 104 |
| 2012-07-28 22:00:52 | C | 22 49 42.72 | +09 05 08.4 | – | u | 104 |
| 2012-07-28 22:10:09 | C | 22 49 44.33 | +09 05 05.5 | – | u | 104 |
| 2012-07-28 22:22:13 | C | 22 49 46.37 | +09 05 00.5 | – | u | 595 |
| 2012-07-28 22:42:04 | C | 22 49 49.81 | +09 04 55.8 | – | u | 595 |
| 2012-07-28 23:13:32 | C | 22 49 55.34 | +09 04 47.9 | – | w | 160 |
| 2012-07-28 23:18:18 | C | 22 49 56.17 | +09 04 46.7 | – | w | 160 |
| 2012-07-28 23:22:13 | C | 22 49 56.85 | +09 04 45.1 | – | w | 160 |
| 2012-07-28 23:26:07 | C | 22 49 57.54 | +09 04 43.8 | – | w | 160 |
| 2012-07-29 00:50:03 | C | 22 50 12.31 | +09 04 18.2 | – | v | I93 |
| 2012-07-29 01:08:30 | C | 22 50 15.49 | +09 04 12.5 | – | v | I93 |
| 2012-07-29 01:26:30 | C | 22 50 19.18 | +09 04 13.9 | – | u | 954 |
| 2012-07-29 01:26:55 | C | 22 50 18.69 | +09 04 07.1 | – | v | I93 |
| 2012-07-29 01:45:20 | C | 22 50 22.36 | +09 04 08.1 | – | u | 954 |
| 2012-07-29 02:05:27 | C | 22 50 25.88 | +09 04 02.1 | – | u | 954 |
| 2012-07-29 04:41:29 | C | 22 50 54.53 | +09 03 42.3 | – | u | 807 |
| 2012-07-29 04:45:49 | C | 22 50 55.29 | +09 03 41.0 | – | u | 807 |
| 2012-07-29 04:50:09 | C | 22 50 56.04 | +09 03 39.8 | – | u | 807 |
| 2012-07-29 04:54:27 | C | 22 50 56.80 | +09 03 38.5 | – | u | 807 |
| 2012-07-29 04:59:30 | C | 22 50 57.68 | +09 03 36.8 | – | u | 807 |
| 2012-07-29 23:06:13 | C | 22 54 21.09 | +08 56 44.0 | – | t | 204 |
| 2012-07-29 23:18:20 | C | 22 54 23.33 | +08 56 39.1 | – | t | 204 |
| 2012-07-29 23:30:31 | C | 22 54 25.63 | +08 56 34.6 | – | t | 204 |