(C2014UN271) Bernardinelli-Bernstein
Object
| Object |
(C2014UN271) Bernardinelli-Bernstein |
| Diameter(1) |
200 km |
| Dynamic class(1) |
comet |
| Absolute magnitude |
7.87 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2459400.5 |
| Semi major axis |
7269.566956 ± 50.643284 au |
| Eccentricity |
0.998495943 ± 0.000010467 |
| Inclination |
95.445986095 ± 0.000026213 ° |
| Longitude of ascending node |
189.929270 ± 0.000032 ° |
| Argument of perihelia |
326.379925 ± 0.000598 ° |
| Mean anomaly |
359.994445 ± 0.000058 ° |
| Orbital period |
619827.75 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv9 |
| Observation file (documentation) |
omc_ast_NIMAv9.txt |
| bsp file |
C2014UN271_Bernardinelli-Bernstein_nima_v9.bsp |
| Date of first observation |
2010-11-15 |
| Date of last observation |
2023-12-22 |
| Number of observations used in the fit |
87 |
| Number of rejected observations |
365 |
| Number of DES observations |
53 |
| Number of MPC observations |
344 |
| Number of unpublished observations |
55 |
| RMS of observations |
0.094 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv9 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2023-01 |
0.066 |
0.052 |
| 2023-07 |
0.068 |
0.069 |
| 2024-01 |
0.077 |
0.082 |
| 2024-07 |
0.110 |
0.083 |
| 2025-01 |
0.107 |
0.131 |
| 2025-07 |
0.194 |
0.097 |
| 2026-01 |
0.209 |
0.170 |
| 2026-07 |
0.333 |
0.116 |
| 2027-01 |
0.416 |
0.123 |
Ephemeris comparison
Difference between NIMAv9 and JPL55 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.
Previous NIMA versions