(278361) 2007JJ43


This object has a more recent orbit available here

Object

Object (278361) 2007JJ43
Diameter(1) 558 km
Dynamic class(1) otherTNO
Absolute magnitude 4.49
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460400.5
Semi major axis 47.763113 ± 0.000307 au
Eccentricity 0.156361944 ± 0.000004148
Inclination 12.081197847 ± 0.000015636 °
Longitude of ascending node 272.511202 ± 0.000022 °
Argument of perihelia 9.145791 ± 0.001331 °
Mean anomaly 345.055247 ± 0.001025 °
Orbital period 330.10 yr

Ephemeris & Observations

Ephemeris version NIMAv10
Observation file (documentation) omc_ast_NIMAv10.txt
bsp file 278361_2007JJ43_nima_v10.bsp
Date of first observation 2002-05-10
Date of last observation 2023-07-01
Number of observations used in the fit 229
Number of rejected observations 6
Number of DES observations 0
Number of MPC observations 163
Number of unpublished observations 72
RMS of observations 0.209 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv10 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.007 0.005
2024-07 0.007 0.006
2025-01 0.010 0.007
2025-07 0.010 0.008
2026-01 0.013 0.008
2026-07 0.014 0.009
2027-01 0.017 0.009
2027-07 0.019 0.011
2028-01 0.022 0.011

Ephemeris comparison

residual plot

Difference between NIMAv10 and JPL6 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.