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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181306513184005 3.2794e-08  
a 3.047986611219275 1.1949e-08 au
q 2.495366786507577 9.9283e-08 au
i 12.29360145344636 3.4887e-06 deg
node 133.202087391982 1.7672e-05 deg
peri 220.5912331208713 2.0185e-05 deg
M 355.7929554469229 1.1452e-05 deg
tp 2459023.213947613710
(2020-Jun-22.71394761)
6.187e-05 TDB
period 1943.649761197531
5.32
1.143e-05
3.129e-08
d
yr
n .185218554899621 1.0892e-09 deg/d
Q 3.600606435930973 1.4116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2978  
   data-arc span      41077 days (112.46 yr)  
   first obs. used      1907-05-13  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:55:31  

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. 2019-August); 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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