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27769 (1991 UA3)
Classification: Main-belt Asteroid          SPK-ID: 2027769
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995890463450719 5.306e-08  
a 3.007914987793894 1.5804e-08 au
q 2.407568103893063 1.5885e-07 au
i 8.962352621154636 5.135e-06 deg
node 50.93352712019869 2.7508e-05 deg
peri 327.267271570017 2.9302e-05 deg
M 104.4637929126636 8.9644e-06 deg
tp 2458047.582859952438
(2017-Oct-21.08285995)
4.7081e-05 TDB
period 1905.446517565535
5.22
1.5017e-05
4.111e-08
d
yr
n .1889320937015585 1.489e-09 deg/d
Q 3.608261871694726 1.8958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1374  
   data-arc span      10022 days (27.44 yr)  
   first obs. used      1991-10-18  
   last obs. used      2019-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:05:24  

Additional Information
 Earth MOID = 1.41531 au 
 Jupiter MOID = 1.86245 au 
 T_jup = 3.202 
[ 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 13.7   n/a MPO337493  
diameter diameter 5.964 km 1.920 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27769 (1991 UA3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 UA3 = 2000 JN53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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