(574372) 2010JO179


This object has a more recent orbit available here

Object

Object (574372) 2010JO179
Diameter(1) 702 km
Dynamic class(1) SDO
Absolute magnitude 3.95
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 77.870977 ± 0.011161 au
Eccentricity 0.494658111 ± 0.000055618
Inclination 32.022668606 ± 0.000023916 °
Longitude of ascending node 147.373900 ± 0.000387 °
Argument of perihelia 9.489303 ± 0.005965 °
Mean anomaly 37.250458 ± 0.009763 °
Orbital period 687.18 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 574372_2010JO179_nima_v7.bsp
Date of first observation 1951-02-04
Date of last observation 2021-06-15
Number of observations used in the fit 159
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 160
Number of unpublished observations 0
RMS of observations 0.104 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)
2022-01 0.122 0.112
2022-07 0.106 0.094
2023-01 0.140 0.121
2023-07 0.120 0.103
2024-01 0.159 0.131
2024-07 0.136 0.112
2025-01 0.179 0.142
2025-07 0.154 0.122
2026-01 0.201 0.152

Ephemeris comparison

residual plot

Difference between NIMAv7 and JPL8 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.