(523692) 2014EZ51


This object has a more recent orbit available here

Object

Object (523692) 2014EZ51
Diameter(1) 770 km
Dynamic class(1) SDO
Absolute magnitude 3.80
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458200.5
Semi major axis 52.494106 ± 0.004739 au
Eccentricity 0.224824736 ± 0.000096760
Inclination 10.246113135 ± 0.002223416 °
Longitude of ascending node 27.482843 ± 0.007886 °
Argument of perihelia 329.809247 ± 0.015105 °
Mean anomaly 266.539409 ± 0.034477 °
Orbital period 380.34 yr

Ephemeris & Observations

Ephemeris version NIMAv4
Observation file (documentation) omc_ast_NIMAv4.txt
bsp file 523692_2014EZ51_nima_v4.bsp
Date of first observation 2010-04-18
Date of last observation 2019-05-27
Number of observations used in the fit 154
Number of rejected observations 5
Number of DES observations 0
Number of MPC observations 122
Number of unpublished observations 37
RMS of observations 0.125 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv4 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2019-01 0.023 0.020
2019-07 0.097 0.028
2020-01 0.048 0.028
2020-07 0.116 0.039
2021-01 0.098 0.044
2021-07 0.152 0.058
2022-01 0.162 0.066
2022-07 0.204 0.081
2023-01 0.238 0.091

Ephemeris comparison

residual plot

Difference between NIMAv4 and JPL6 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.