Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989407238669739 3.1231e-08  
q 1.791045250061058 7.1308e-08 au
tp 2456865.080317356469
(2014-Jul-26.58031736)
2.71e-05 TDB
node 232.4431167027637 2.8537e-05 deg
peri 136.293057670308 2.9586e-05 deg
i 6.458282327361903 3.4879e-06 deg
  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
 Jupiter MOID = 2.80508 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.754005592807954E-16 -2.220571402892793E-15 9.477950107762286E-14 9.413120412265701E-15 9.958439658958263E-15 -4.203997971415094E-16
q -2.220571402892793E-15 5.084842915354287E-15 -2.155004007667716E-13 -2.165168560720099E-14 -2.202916035055177E-14 1.08684783002054E-15
tp 9.477950107762286E-14 -2.155004007667716E-13 7.344100474270154E-10 9.463644580011839E-13 2.201338627210801E-10 6.954331776102732E-13
node 9.413120412265701E-15 -2.165168560720099E-14 9.463644580011839E-13 8.14365482702939E-10 -8.085288558718007E-10 -1.215152824464411E-11
peri 9.958439658958263E-15 -2.202916035055177E-14 2.201338627210801E-10 -8.085288558718007E-10 8.753146811002677E-10 1.225872503115771E-11
i -4.203997971415094E-16 1.08684783002054E-15 6.954331776102732E-13 -1.215152824464411E-11 1.225872503115771E-11 1.216524549838555E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 22:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin