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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .215698671950242 | 6.3683e-08 | |
| a | 2.340447462949942 | 8.9211e-09 | au |
| q | 1.835616053422326 | 1.4832e-07 | au |
| i | 25.574069276365 | 6.3625e-06 | deg |
| node | 66.00255635749934 | 9.5126e-06 | deg |
| peri | 332.5457984975638 | 1.2596e-05 | deg |
| M | 266.6599608128224 | 8.386e-06 | deg |
| tp | 2459339.587866768242
(2021-May-05.08786677) | 3.0993e-05 | TDB |
| period | 1307.816378690103
3.58 | 7.4775e-06
2.047e-08 | d
yr |
| n | .2752680008187179 | 1.5739e-09 | deg/d |
| Q | 2.845278872477558 | 1.0845e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2165136474221784 | 6.3731e-08 | |
| q | 1.832862634457737 | 1.4854e-07 | au |
| tp | 2456726.873084473116
(2014-Mar-10.37308447) | 3.0086e-05 | TDB |
| node | 66.02881561298634 | 9.5098e-06 | deg |
| peri | 332.7618660958651 | 1.2554e-05 | deg |
| i | 25.58515205284825 | 6.3658e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
4.061665229450839E-15 |
-9.456558684031675E-15 |
3.646973497061913E-13 |
4.564818551108783E-15 |
1.597088828724006E-15 |
-9.723464703709541E-15 |
| q |
-9.456558684031675E-15 |
2.206542698746067E-14 |
-8.981894685614782E-13 |
-1.080639353119157E-14 |
-1.200943416909915E-14 |
2.275632450803931E-14 |
| tp |
3.646973497061913E-13 |
-8.981894685614782E-13 |
9.051480676117561E-10 |
-9.232581610411062E-13 |
2.546130123640504E-10 |
-5.010115731018973E-12 |
| node |
4.564818551108783E-15 |
-1.080639353119157E-14 |
-9.232581610411062E-13 |
9.043722863117046E-11 |
-8.113013076018336E-11 |
-2.263191764338986E-11 |
| peri |
1.597088828724006E-15 |
-1.200943416909915E-14 |
2.546130123640504E-10 |
-8.113013076018336E-11 |
1.575998744856205E-10 |
1.910205828756704E-11 |
| i |
-9.723464703709541E-15 |
2.275632450803931E-14 |
-5.010115731018973E-12 |
-2.263191764338986E-11 |
1.910205828756704E-11 |
4.052335062554667E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.1 |
|
n/a |
MPO435744 |
|
| diameter |
diameter |
3.732 |
km |
0.859 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| geometric albedo |
albedo |
0.383 |
|
0.224 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 4761 Urrutia | Discovered 1981 Aug. 27 by H.-E. Schuster at the European Southern Observatory.. |
| Named in honor of Antonio Urrutia A., Chilean lawyer in Santiago and for three decades legal advisor to the European Southern Observatory. The discoverer appreciates Urrutia's friendship and recalls his fruitful work. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19990402/MPCPages.arc | Last Updated: 2010-06-11 |
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