(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 | 7310.167143 ± 37.096485 au |
| Eccentricity | 0.998504293 ± 0.000007584 |
| Inclination | 95.445711552 ± 0.000013709 ° |
| Longitude of ascending node | 189.928963 ± 0.000022 ° |
| Argument of perihelia | 326.379678 ± 0.000373 ° |
| Mean anomaly | 359.994491 ± 0.000042 ° |
| Orbital period | 625027.55 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv10 |
| Observation file |
omc_ast_NIMAv10.txt |
| bsp file | C2014UN271_Bernardinelli-Bernstein_nima_v10.bsp |
| Date of first observation | 2010-11-15 |
| Date of last observation | 2024-08-24 |
| Number of observations used in the fit | 715 |
| Number of rejected observations | 13 |
| Number of DES observations | 21 |
| Number of MPC observations | 672 |
| Number of unpublished observations | 35 |
| RMS of observations | 0.444 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2024-01 | 0.040 | 0.034 |
| 2024-07 | 0.046 | 0.044 |
| 2025-01 | 0.054 | 0.061 |
| 2025-07 | 0.092 | 0.054 |
| 2026-01 | 0.107 | 0.087 |
| 2026-07 | 0.172 | 0.063 |
| 2027-01 | 0.222 | 0.070 |
| 2027-07 | 0.265 | 0.150 |
| 2028-01 | 0.306 | 0.215 |
Ephemeris comparison
Difference between NIMAv10 and JPL72 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.