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JPL Small-Body Database Browser
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212840 (2007 UU91)
Classification: Main-belt Asteroid          SPK-ID: 2212840
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579483308601814 8.6715e-08  
a 3.151693601718969 5.3861e-08 au
q 2.653888857944744 2.6659e-07 au
i 1.275369832736494 8.4241e-06 deg
node 51.01392884475925 0.00040774 deg
peri 41.96029115131428 0.00040927 deg
M 349.7836866427895 3.7427e-05 deg
tp 2458658.497078383068
(2019-Jun-23.99707838)
0.00021344 TDB
period 2043.687139174189
5.60
5.2389e-05
1.434e-07
d
yr
n .1761522070082941 4.5156e-09 deg/d
Q 3.649498345493194 6.2369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      2001-09-21  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62911  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:06  

Additional Information
 Earth MOID = 1.67081 au 
 Jupiter MOID = 1.5428 au 
 T_jup = 3.188 
[ 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 16.3   n/a MPO418139  

212840 (2007 UU91)          Discovered 2007-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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