(90568) 2004GV9
Object
| Object |
(90568) 2004GV9 |
| Diameter(1) |
680 km |
| Dynamic class(1) |
cubewano-hot |
| Absolute magnitude |
4.00 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460800.5 |
| Semi major axis |
41.773444 ± 0.000121 au |
| Eccentricity |
0.075053769 ± 0.000002681 |
| Inclination |
22.043418584 ± 0.000010871 ° |
| Longitude of ascending node |
250.573513 ± 0.000011 ° |
| Argument of perihelia |
289.461668 ± 0.001478 ° |
| Mean anomaly |
50.853076 ± 0.001305 ° |
| Orbital period |
270.00 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv13 |
| Observation file (documentation) |
omc_ast_NIMAv13.txt |
| bsp file |
90568_2004GV9_nima_v13.bsp |
| Date of first observation |
1954-12-21 |
| Date of last observation |
2025-06-22 |
| Number of observations used in the fit |
1169 |
| Number of rejected observations |
1 |
| Number of DES observations |
0 |
| Number of MPC observations |
366 |
| Number of unpublished observations |
99 |
| RMS of observations |
0.109 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv13 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.022 |
0.005 |
| 2024-07 |
0.019 |
0.007 |
| 2025-01 |
0.027 |
0.007 |
| 2025-07 |
0.025 |
0.008 |
| 2026-01 |
0.033 |
0.009 |
| 2026-07 |
0.031 |
0.010 |
| 2027-01 |
0.039 |
0.010 |
| 2027-07 |
0.038 |
0.012 |
| 2028-01 |
0.047 |
0.012 |
Ephemeris comparison
Difference between NIMAv13 and JPL24 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