(278361) 2007JJ43


Object

Object (278361) 2007JJ43
Diameter(1) 594 km
Dynamic class(1) cubewano-hot
Absolute magnitude 4.49
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460600.5
Semi major axis 47.719408 ± 0.000306 au
Eccentricity 0.155424705 ± 0.000004147
Inclination 12.087142547 ± 0.000015626 °
Longitude of ascending node 272.505630 ± 0.000022 °
Argument of perihelia 8.965448 ± 0.001335 °
Mean anomaly 345.759265 ± 0.001025 °
Orbital period 329.65 yr

Ephemeris & Observations

Ephemeris version NIMAv11
Observation file (documentation) omc_ast_NIMAv11.txt
bsp file 278361_2007JJ43_nima_v11.bsp
Date of first observation 2002-05-10
Date of last observation 2024-05-11
Number of observations used in the fit 233
Number of rejected observations 6
Number of DES observations 0
Number of MPC observations 163
Number of unpublished observations 76
RMS of observations 0.207 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv11 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 0.009 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 NIMAv11 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.

Previous NIMA versions