(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 3.94
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460200.5
Semi major axis 77.624925 ± 0.010501 au
Eccentricity 0.494922019 ± 0.000052198
Inclination 32.032222350 ± 0.000021608 °
Longitude of ascending node 147.290951 ± 0.000207 °
Argument of perihelia 9.164367 ± 0.005650 °
Mean anomaly 38.071133 ± 0.009391 °
Orbital period 683.93 yr

Ephemeris & Observations

Ephemeris version NIMAv8
Observation file (documentation) omc_ast_NIMAv8.txt
bsp file 574372_2010JO179_nima_v8.bsp
Date of first observation 1951-02-04
Date of last observation 2023-07-16
Number of observations used in the fit 173
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 173
Number of unpublished observations 1
RMS of observations 0.104 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2023-01 0.074 0.074
2023-07 0.030 0.015
2024-01 0.091 0.080
2024-07 0.046 0.022
2025-01 0.108 0.086
2025-07 0.065 0.029
2026-01 0.128 0.093
2026-07 0.085 0.037
2027-01 0.150 0.101

Ephemeris comparison

residual plot

Difference between NIMAv8 and JPL10 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.