(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 38.958197 ± 0.001983 au
Eccentricity 0.068193108 ± 0.000037092
Inclination 13.347388732 ± 0.000052309 °
Longitude of ascending node 84.470581 ± 0.001322 °
Argument of perihelia 86.516732 ± 0.015124 °
Mean anomaly 166.237855 ± 0.015539 °
Orbital period 243.17 yr

Ephemeris & Observations

Ephemeris version NIMAv5
Observation file (documentation) omc_ast_NIMAv5.txt
bsp file 175113_2004PF115_nima_v5.bsp
Date of first observation 1992-06-04
Date of last observation 2019-10-26
Number of observations used in the fit 104
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 92
Number of unpublished observations 13
RMS of observations 0.228 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv5 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2020-01 0.039 0.016
2020-07 0.095 0.051
2021-01 0.046 0.023
2021-07 0.106 0.057
2022-01 0.057 0.031
2022-07 0.122 0.066
2023-01 0.071 0.040
2023-07 0.142 0.075
2024-01 0.089 0.051

Ephemeris comparison

residual plot

Difference between NIMAv5 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.