(574372) 2010JO179


Object

Object (574372) 2010JO179
Diameter(1) 644 km
Dynamic class(1) SDO
Absolute magnitude 3.90
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 77.775737 ± 0.010162 au
Eccentricity 0.497197347 ± 0.000050185
Inclination 32.053334940 ± 0.000021735 °
Longitude of ascending node 147.123194 ± 0.000207 °
Argument of perihelia 9.207912 ± 0.005422 °
Mean anomaly 38.765205 ± 0.009182 °
Orbital period 685.92 yr

Ephemeris & Observations

Ephemeris version NIMAv10
Observation file (documentation) omc_ast_NIMAv10.txt
bsp file 574372_2010JO179_nima_v10.bsp
Date of first observation 1951-02-04
Date of last observation 2025-06-30
Number of observations used in the fit 219
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 219
Number of unpublished observations 1
RMS of observations 0.104 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.086 0.077
2024-07 0.045 0.021
2025-01 0.103 0.083
2025-07 0.063 0.029
2026-01 0.122 0.090
2026-07 0.083 0.036
2027-01 0.143 0.098
2027-07 0.104 0.044
2028-01 0.165 0.106

Ephemeris comparison

residual plot

Difference between NIMAv10 and JPL14 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.

Previous NIMA versions