(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 3.91
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 52.118753 ± 0.003234 au
Eccentricity 0.231402764 ± 0.000071488
Inclination 10.301362715 ± 0.000172547 °
Longitude of ascending node 27.688479 ± 0.000602 °
Argument of perihelia 331.364831 ± 0.013885 °
Mean anomaly 269.463611 ± 0.021798 °
Orbital period 376.27 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 523692_2014EZ51_nima_v7.bsp
Date of first observation 2010-04-18
Date of last observation 2023-06-21
Number of observations used in the fit 196
Number of rejected observations 5
Number of DES observations 0
Number of MPC observations 164
Number of unpublished observations 37
RMS of observations 0.124 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2023-01 0.144 0.066
2023-07 0.165 0.077
2024-01 0.198 0.085
2024-07 0.212 0.098
2025-01 0.262 0.106
2025-07 0.270 0.121
2026-01 0.333 0.128
2026-07 0.338 0.146
2027-01 0.414 0.153

Ephemeris comparison

residual plot

Difference between NIMAv7 and JPL13 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.