(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 38.957833 ± 0.001282 au
Eccentricity 0.068200309 ± 0.000023792
Inclination 13.347389767 ± 0.000042143 °
Longitude of ascending node 84.470612 ± 0.000881 °
Argument of perihelia 86.515383 ± 0.011188 °
Mean anomaly 166.239169 ± 0.011927 °
Orbital period 243.16 yr

Ephemeris & Observations

Ephemeris version NIMAv6
Observation file (documentation) omc_ast_NIMAv6.txt
bsp file 175113_2004PF115_nima_v6.bsp
Date of first observation 1992-06-04
Date of last observation 2020-11-04
Number of observations used in the fit 249
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 237
Number of unpublished observations 13
RMS of observations 0.158 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2021-01 0.032 0.019
2021-07 0.077 0.042
2022-01 0.043 0.026
2022-07 0.092 0.049
2023-01 0.057 0.034
2023-07 0.110 0.058
2024-01 0.073 0.043
2024-07 0.130 0.068
2025-01 0.092 0.054

Ephemeris comparison

residual plot

Difference between NIMAv6 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.