(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 | 7295.811492 ± 44.061829 au |
| Eccentricity | 0.998501317 ± 0.000009043 |
| Inclination | 95.445746585 ± 0.000018946 ° |
| Longitude of ascending node | 189.929019 ± 0.000026 ° |
| Argument of perihelia | 326.378853 ± 0.000471 ° |
| Mean anomaly | 359.994475 ± 0.000050 ° |
| Orbital period | 623187.32 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv8 |
| Observation file |
omc_ast_NIMAv8.txt |
| bsp file | C2014UN271_Bernardinelli-Bernstein_nima_v8.bsp |
| Date of first observation | 2010-11-15 |
| Date of last observation | 2023-09-01 |
| Number of observations used in the fit | 416 |
| Number of rejected observations | 24 |
| Number of DES observations | 53 |
| Number of MPC observations | 344 |
| Number of unpublished observations | 43 |
| RMS of observations | 0.527 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2023-01 | 0.050 | 0.037 |
| 2023-07 | 0.049 | 0.050 |
| 2024-01 | 0.060 | 0.068 |
| 2024-07 | 0.092 | 0.066 |
| 2025-01 | 0.094 | 0.116 |
| 2025-07 | 0.176 | 0.078 |
| 2026-01 | 0.197 | 0.148 |
| 2026-07 | 0.309 | 0.081 |
| 2027-01 | 0.384 | 0.097 |
Ephemeris comparison
Difference between NIMAv8 and JPL43 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.