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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824198616077549 3.323e-08  
a 3.05186001105454 1.2074e-08 au
q 2.49514013019173 1.0065e-07 au
i 12.28139468644691 3.4989e-06 deg
node 133.2439473598938 1.787e-05 deg
peri 220.3645216010638 2.0314e-05 deg
M 282.0191836678722 1.1334e-05 deg
tp 2459022.323349880975
(2020-Jun-21.82334988)
6.2168e-05 TDB
period 1947.35594085576
5.33
1.1556e-05
3.164e-08
d
yr
n .1848660496251132 1.0971e-09 deg/d
Q 3.60857989191735 1.4277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2898  
   data-arc span      41007 days (112.27 yr)  
   first obs. used      1907-05-13  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4713  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:10:38  

Additional Information
 Earth MOID = 1.50185 au 
 Jupiter MOID = 1.85005 au 
 T_jup = 3.177 
[ 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. 2019-January); 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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