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187824 (1999 UH32)
Classification: Main-belt Asteroid          SPK-ID: 2187824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08704102097329081 4.2529e-08  
a 3.121277444195594 3.7366e-08 au
q 2.849598268711906 1.4288e-07 au
i 13.45765802825183 5.7402e-06 deg
node 38.61984660210084 2.3207e-05 deg
peri 227.7022667142312 5.119e-05 deg
M 59.55271307031189 4.1916e-05 deg
tp 2458867.306869681231
(2020-Jan-18.80686968)
0.00023726 TDB
period 2014.174010395406
5.51
3.6169e-05
9.903e-08
d
yr
n .1787333160600796 3.2095e-09 deg/d
Q 3.392956619679282 4.0618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:47:00  

Additional Information
 Earth MOID = 1.85263 au 
 Jupiter MOID = 1.68367 au 
 T_jup = 3.168 
[ 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 15.42   n/a E2021B55  
diameter diameter 6.028 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187824 (1999 UH32)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1999 UH32 = 2005 UO244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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