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266861 (2009 UO112)
Classification: Main-belt Asteroid          SPK-ID: 2266861
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087473218575472 8.0091e-08  
a 3.129636961630298 4.9406e-08 au
q 2.789297323666612 2.4699e-07 au
i 11.81217721402297 8.5352e-06 deg
node 127.0540032257896 3.8814e-05 deg
peri 249.3359433257565 5.4968e-05 deg
M 272.4624051490254 4.3684e-05 deg
tp 2459092.235405832565
(2020-Aug-30.73540583)
0.00025049 TDB
period 2022.271075657186
5.54
4.7886e-05
1.311e-07
d
yr
n .1780176774189431 4.2154e-09 deg/d
Q 3.469976599593984 5.4778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7179 days (19.66 yr)  
   first obs. used      1998-09-19  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55957  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:15:21  

Additional Information
 Earth MOID = 1.81563 au 
 Jupiter MOID = 2.05656 au 
 T_jup = 3.172 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO450147  
diameter diameter 3.550 km 1.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266861 (2009 UO112)          Discovered 2009-Oct-25 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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