(120216) 2004EW95
Object
| Object |
(120216) 2004EW95 |
| Diameter(1) |
291 km |
| Dynamic class(1) |
plutino |
| Absolute magnitude |
6.61 |
| G slop |
0.15 |
Orbital elements
| Epoch (Julian date) |
2460600.5 |
| Semi major axis |
39.156997 ± 0.001519 au |
| Eccentricity |
0.311469211 ± 0.000022959 |
| Inclination |
29.318049733 ± 0.000035751 ° |
| Longitude of ascending node |
25.802675 ± 0.000027 ° |
| Argument of perihelia |
204.383319 ± 0.000794 ° |
| Mean anomaly |
9.723083 ± 0.000286 ° |
| Orbital period |
245.03 yr |
Ephemeris & Observations
| Ephemeris version |
NIMAv2 |
| Observation file (documentation) |
omc_ast_NIMAv2.txt |
| bsp file |
120216_2004EW95_nima_v2.bsp |
| Date of first observation |
2001-03-12 |
| Date of last observation |
2024-05-12 |
| Number of observations used in the fit |
242 |
| Number of rejected observations |
2 |
| Number of DES observations |
0 |
| Number of MPC observations |
239 |
| Number of unpublished observations |
5 |
| RMS of observations |
0.201 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv2 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date |
σα (arcsec) |
σδ (arcsec) |
| 2024-01 |
0.093 |
0.075 |
| 2024-07 |
0.091 |
0.085 |
| 2025-01 |
0.114 |
0.081 |
| 2025-07 |
0.103 |
0.097 |
| 2026-01 |
0.143 |
0.089 |
| 2026-07 |
0.126 |
0.112 |
| 2027-01 |
0.179 |
0.098 |
| 2027-07 |
0.161 |
0.130 |
| 2028-01 |
0.224 |
0.108 |
Ephemeris comparison
Difference between NIMAv2 and JPL9 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