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66834 (1999 UT46)
Classification: Main-belt Asteroid          SPK-ID: 2066834
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805200906991211 3.7994e-08  
a 2.416024587666279 1.0741e-08 au
q 1.979883609969455 9.1732e-08 au
i 8.243894319686234 4.7286e-06 deg
node 28.21600629953448 3.297e-05 deg
peri 238.8014811515444 3.6203e-05 deg
M 303.8525166306907 1.6842e-05 deg
tp 2459214.433228834310
(2020-Dec-30.93322883)
6.4544e-05 TDB
period 1371.672562308452
3.76
9.147e-06
2.504e-08
d
yr
n .262453306927813 1.7502e-09 deg/d
Q 2.852165565363102 1.268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1257  
   data-arc span      10324 days (28.27 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:52:28  

Additional Information
 Earth MOID = .97925 au 
 Jupiter MOID = 2.26581 au 
 T_jup = 3.480 
[ 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 14.5   n/a MPO381723  
diameter diameter 2.876 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66834 (1999 UT46)          Discovered 1999-Oct-31 by Elst, E. W. at Uccle
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UT46 = 2001 BK51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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