(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 4.58
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2459800.5
Semi major axis 39.259745 ± 0.001215 au
Eccentricity 0.059608265 ± 0.000023149
Inclination 13.353287742 ± 0.000016323 °
Longitude of ascending node 84.608069 ± 0.000252 °
Argument of perihelia 84.340651 ± 0.009593 °
Mean anomaly 175.157415 ± 0.010689 °
Orbital period 246.00 yr

Ephemeris & Observations

Ephemeris version NIMAv8
Observation file (documentation) omc_ast_NIMAv8.txt
bsp file 175113_2004PF115_nima_v8.bsp
Date of first observation 1992-06-04
Date of last observation 2021-11-27
Number of observations used in the fit 290
Number of rejected observations 1
Number of DES observations 0
Number of MPC observations 272
Number of unpublished observations 19
RMS of observations 0.151 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv8 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2022-01 0.039 0.023
2022-07 0.077 0.043
2023-01 0.050 0.030
2023-07 0.091 0.050
2024-01 0.063 0.038
2024-07 0.107 0.058
2025-01 0.078 0.046
2025-07 0.126 0.068
2026-01 0.095 0.056

Ephemeris comparison

residual plot

Difference between NIMAv8 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.