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JPL Small-Body Database Browser
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212937 (2008 UD291)
Classification: Main-belt Asteroid          SPK-ID: 2212937
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05070505495591948 1.0117e-07  
a 3.189916305097175 5.8927e-08 au
q 3.028171423542439 3.1801e-07 au
i 5.246897256002141 1.1255e-05 deg
node 319.6466802360537 8.848e-05 deg
peri 232.474674320147 0.00011918 deg
M 240.0866052513152 8.3658e-05 deg
tp 2459293.658505772799
(2021-Mar-20.15850577)
0.00048848 TDB
period 2080.977380393481
5.70
5.7663e-05
1.579e-07
d
yr
n .1729956333941167 4.7936e-09 deg/d
Q 3.351661186651911 6.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2000-08-28  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65079  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:09  

Additional Information
 Earth MOID = 2.0323 au 
 Jupiter MOID = 1.64717 au 
 T_jup = 3.189 
[ 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 15.3   n/a MPO427253  

212937 (2008 UD291)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 UD291 = 2006 RZ60 = 2007 VU289 = 2007 XY19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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