(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 | 7215.019700 ± 63.125872 au |
| Eccentricity | 0.998484604 ± 0.000013245 |
| Inclination | 95.445938724 ± 0.000211603 ° |
| Longitude of ascending node | 189.929227 ± 0.000154 ° |
| Argument of perihelia | 326.381023 ± 0.000792 ° |
| Mean anomaly | 359.994382 ± 0.000074 ° |
| Orbital period | 612864.53 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | C2014UN271_Bernardinelli-Bernstein_nima_v3.bsp |
| Date of first observation | 2010-11-15 |
| Date of last observation | 2021-08-03 |
| Number of observations used in the fit | 109 |
| Number of rejected observations | 24 |
| Number of DES observations | 53 |
| Number of MPC observations | 41 |
| Number of unpublished observations | 39 |
| RMS of observations | 0.290 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2021-01 | 0.097 | 0.046 |
| 2021-07 | 0.048 | 0.053 |
| 2022-01 | 0.109 | 0.080 |
| 2022-07 | 0.075 | 0.073 |
| 2023-01 | 0.118 | 0.148 |
| 2023-07 | 0.137 | 0.121 |
| 2024-01 | 0.135 | 0.252 |
| 2024-07 | 0.262 | 0.183 |
| 2025-01 | 0.223 | 0.389 |
Ephemeris comparison
Difference between NIMAv3 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.