(470443) 2007XV50


This object has a more recent orbit available here

Object

Object (470443) 2007XV50
Diameter(1) 584 km
Dynamic class(1) cubewano
Absolute magnitude 4.40
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458600.5
Semi major axis 45.719806 ± 0.008400 au
Eccentricity 0.069123377 ± 0.000113338
Inclination 22.927421205 ± 0.003283371 °
Longitude of ascending node 53.642464 ± 0.002510 °
Argument of perihelia 269.988711 ± 0.127364 °
Mean anomaly 107.641225 ± 0.138716 °
Orbital period 309.15 yr

Ephemeris & Observations

Ephemeris version NIMAv1
Observation file (documentation) omc_ast_NIMAv1.txt
bsp file 470443_2007XV50_nima_v1.bsp
Date of first observation 2007-12-13
Date of last observation 2017-12-20
Number of observations used in the fit 65
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 67
Number of unpublished observations 0
RMS of observations 0.233 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 0.279 0.206
2018-07 0.455 0.212
2019-01 0.401 0.268
2019-07 0.591 0.268
2020-01 0.547 0.339
2020-07 0.750 0.332
2021-01 0.716 0.418
2021-07 0.932 0.402
2022-01 0.908 0.503

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.