(175113) 2004PF115


This object has a more recent orbit available here

Object

Object (175113) 2004PF115
Diameter(1) 468 km
Dynamic class(1) cubewano
Absolute magnitude 4.30
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2458200.5
Semi major axis 38.958482 ± 0.002299 au
Eccentricity 0.068190196 ± 0.000048425
Inclination 13.347351208 ± 0.000168647 °
Longitude of ascending node 84.470232 ± 0.002676 °
Argument of perihelia 86.522460 ± 0.020415 °
Mean anomaly 166.231772 ± 0.024152 °
Orbital period 243.17 yr

Ephemeris & Observations

Ephemeris version NIMAv3
Observation file (documentation) omc_ast_NIMAv3.txt
bsp file 175113_2004PF115_nima_v3.bsp
Date of first observation 1992-06-04
Date of last observation 2015-06-20
Number of observations used in the fit 92
Number of rejected observations 0
Number of DES observations 0
Number of MPC observations 84
Number of unpublished observations 8
RMS of observations 0.214 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2018-01 0.230 0.112
2018-07 0.261 0.132
2019-01 0.288 0.137
2019-07 0.325 0.159
2020-01 0.351 0.163
2020-07 0.395 0.189
2021-01 0.419 0.193
2021-07 0.470 0.222
2022-01 0.491 0.226

Ephemeris comparison

residual plot

Difference between NIMAv3 and JPL4 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.