(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 52.489346 ± 0.017487 au
Eccentricity 0.224729361 ± 0.000523235
Inclination 10.246758559 ± 0.012390078 °
Longitude of ascending node 27.484731 ± 0.039162 °
Argument of perihelia 329.831926 ± 0.060026 °
Mean anomaly 266.499848 ± 0.171355 °
Orbital period 380.29 yr

Ephemeris & Observations

Ephemeris version NIMAv1
Observation file (documentation) omc_ast_NIMAv1.txt
bsp file 523692_2014EZ51_nima_v1.bsp
Date of first observation 2010-04-18
Date of last observation 2017-09-12
Number of observations used in the fit 122
Number of rejected observations 0
Number of DES observations 0
Number of MPC observations 122
Number of unpublished observations 0
RMS of observations 0.131 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv1 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2018-01 0.545 0.276
2018-07 0.538 0.328
2019-01 0.832 0.385
2019-07 0.807 0.447
2020-01 1.183 0.512
2020-07 1.142 0.586
2021-01 1.599 0.657
2021-07 1.543 0.745
2022-01 2.080 0.819

Ephemeris comparison

residual plot

Difference between NIMAv1 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.