(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 45.719632 ± 0.006857 au
Eccentricity 0.069110693 ± 0.000085583
Inclination 22.927472931 ± 0.001982454 °
Longitude of ascending node 53.642503 ± 0.002310 °
Argument of perihelia 269.984277 ± 0.096520 °
Mean anomaly 107.647248 ± 0.099879 °
Orbital period 309.15 yr

Ephemeris & Observations

Ephemeris version NIMAv2
Observation file (documentation) omc_ast_NIMAv2.txt
bsp file 470443_2007XV50_nima_v2.bsp
Date of first observation 2007-12-13
Date of last observation 2018-11-14
Number of observations used in the fit 69
Number of rejected observations 2
Number of DES observations 0
Number of MPC observations 71
Number of unpublished observations 0
RMS of observations 0.228 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2019-01 0.238 0.190
2019-07 0.311 0.200
2020-01 0.318 0.232
2020-07 0.399 0.241
2021-01 0.413 0.280
2021-07 0.502 0.285
2022-01 0.524 0.333
2022-07 0.621 0.333
2023-01 0.649 0.389

Ephemeris comparison

residual plot

Difference between NIMAv2 and JPL7 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.