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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813065464822536 3.1943e-08  
a 3.047986605185492 1.0368e-08 au
q 2.495366680075143 9.6055e-08 au
i 12.29359840551464 3.2268e-06 deg
node 133.2020766421925 1.741e-05 deg
peri 220.5912579927271 1.9566e-05 deg
M 355.7929470918027 9.2644e-06 deg
tp 2459023.213992655784
(2020-Jun-22.71399266)		 5.0026e-05 TDB
period 1943.649755426068
5.32		 9.9169e-06
2.715e-08		 d
yr
n .1852185554496079 9.4502e-10 deg/d
Q 3.600606530295842 1.2247e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3444  
   data-arc span      41453 days (113.49 yr)  
   first obs. used      1907-05-13  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:55:00  

Additional Information
 Earth MOID = 1.50316 au 
 Jupiter MOID = 1.86193 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 9.7   n/a MPO435700  
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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