(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 |
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Number of unpublished observations | 72 |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

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

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.