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3722 Urata (1927 UE)
Classification: Main-belt Asteroid          SPK-ID: 2003722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997996423576787 3.1339e-08  
a 2.236135300404863 6.9396e-09 au
q 1.789356267120591 7.1663e-08 au
i 6.46294894662469 3.49e-06 deg
node 232.3252152072375 2.8504e-05 deg
peri 136.5203537803149 2.9539e-05 deg
M 269.350945621367 8.3575e-06 deg
tp 2459308.043335691580
(2021-Apr-03.54333569)
2.8859e-05 TDB
period 1221.365204611179
3.34
5.6856e-06
1.557e-08
d
yr
n .2947521336295198 1.3721e-09 deg/d
Q 2.682914333689135 8.3262e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2753  
   data-arc span      33885 days (92.77 yr)  
   first obs. used      1927-10-29  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:07:09  

Additional Information
 Earth MOID = .795857 au 
 Jupiter MOID = 2.80508 au 
 T_jup = 3.603 
[ 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 12.8   n/a MPO384786  
diameter diameter 7.868 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.567 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Shipley, H.; Dillard, A.; Kendall, J.; Reichert, M.; et al. (2008) Minor Planet Bull. 35, 99-101.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.197   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3722 Urata (1927 UE)          Discovered 1927-Oct-29 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1927 UE = 1937 UL = 1937 VP = 1967 TA = 1984 YV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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