(C2014UN271) Bernardinelli-Bernstein
This object has a more recent orbit available here
Object
| Object | (C2014UN271) Bernardinelli-Bernstein |
| Diameter(1) | 200 km |
| Dynamic class(1) | comet |
| Absolute magnitude | 7.87 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459400.5 |
| Semi major axis | 7208.034349 ± 64.546099 au |
| Eccentricity | 0.998483133 ± 0.000013567 |
| Inclination | 95.445979154 ± 0.000045143 ° |
| Longitude of ascending node | 189.929267 ± 0.000051 ° |
| Argument of perihelia | 326.381033 ± 0.000849 ° |
| Mean anomaly | 359.994374 ± 0.000076 ° |
| Orbital period | 611974.71 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv5 |
| Observation file |
omc_ast_NIMAv5.txt |
| bsp file | C2014UN271_Bernardinelli-Bernstein_nima_v5.bsp |
| Date of first observation | 2010-11-15 |
| Date of last observation | 2021-08-17 |
| Number of observations used in the fit | 113 |
| Number of rejected observations | 24 |
| Number of DES observations | 53 |
| Number of MPC observations | 41 |
| Number of unpublished observations | 43 |
| RMS of observations | 0.263 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.106 | 0.073 |
| 2022-07 | 0.068 | 0.067 |
| 2023-01 | 0.115 | 0.137 |
| 2023-07 | 0.126 | 0.110 |
| 2024-01 | 0.130 | 0.237 |
| 2024-07 | 0.244 | 0.169 |
| 2025-01 | 0.211 | 0.369 |
| 2025-07 | 0.465 | 0.197 |
| 2026-01 | 0.492 | 0.454 |
Ephemeris comparison
Difference between NIMAv5 and JPL4 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.