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181554 (2006 UH273)
Classification: Main-belt Asteroid          SPK-ID: 2181554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0562530950153193 4.9162e-08  
a 2.917033087755425 2.6563e-08 au
q 2.752940948307089 1.5342e-07 au
i 4.122276614258968 5.2668e-06 deg
node 293.2282089164162 6.6755e-05 deg
peri 158.8960537367911 8.8898e-05 deg
M 265.5745239716121 6.1952e-05 deg
tp 2459677.806272884979
(2022-Apr-08.30627288)
0.00031711 TDB
period 1819.744686136755
4.98
2.4856e-05
6.805e-08
d
yr
n .1978299498509682 2.7022e-09 deg/d
Q 3.081125227203761 2.8057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6961 days (19.06 yr)  
   first obs. used      2001-11-12  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:05  

Additional Information
 Earth MOID = 1.76987 au 
 Jupiter MOID = 2.0301 au 
 T_jup = 3.275 
[ 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 15.92   n/a E2021B55  
diameter diameter 5.778 km 0.422 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181554 (2006 UH273)          Discovered 2006-Oct-27 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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