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634 Ute (A907 JJ)
Classification: Main-belt Asteroid          SPK-ID: 2000634
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812628794748724 7.9339e-09  
a 3.047940391171833 9.6502e-09 au
q 2.495461939400257 2.1176e-08 au
i 12.29366486719866 3.7088e-07 deg
node 133.2025423876303 2.9296e-06 deg
peri 220.6320936476635 6.9127e-06 deg
M 32.80976154288587 5.186e-06 deg
tp 2459023.363237073905
(2020-Jun-22.86323707)		 2.8005e-05 TDB
period 1943.605550745651
5.32		 9.2306e-06
2.527e-08		 d
yr
n .1852227679952285 8.7966e-10 deg/d
Q 3.600418842943408 1.1399e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3723  
   data-arc span      41585 days (113.85 yr)  
   first obs. used      1907-05-13  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:41:42  

Additional Information
 Earth MOID = 1.50154 au 
 Jupiter MOID = 1.86282 au 
 T_jup = 3.178 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.79   n/a E2021B10  
diameter diameter 74.017 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.7554 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F.; Benishek, V. (2009) Minor Planet Bull. 36, 29-30.]
geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

634 Ute (A907 JJ)          Discovered 1907-May-12 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 JJ = 1948 CB 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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