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90826 Xuzhihong (1995 TL1)
Classification: Main-belt Asteroid          SPK-ID: 2090826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05357132150654231 4.4743e-08  
a 2.686264207996476 1.7416e-08 au
q 2.542357484458379 1.2249e-07 au
i 14.6874137000459 6.02e-06 deg
node 198.2291975516396 2.0597e-05 deg
peri 263.6493097697266 6.9151e-05 deg
M 128.2695140806356 6.346e-05 deg
tp 2458427.516040852207
(2018-Nov-05.01604085)
0.00028396 TDB
period 1608.131337922843
4.40
1.5639e-05
4.282e-08
d
yr
n .2238623124308971 2.1771e-09 deg/d
Q 2.830170931534572 1.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      8574 days (23.47 yr)  
   first obs. used      1995-10-14  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:34:34  

Additional Information
 Earth MOID = 1.60734 au 
 Jupiter MOID = 2.27987 au 
 T_jup = 3.325 
[ 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 15.1   n/a MPO280374  
diameter diameter 3.300 km 1.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90826 Xuzhihong           Discovered 1995 Oct. 14 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Chinese botanist Xu Zhihong (b. 1942) steadfastly and effectively supported the development of Chinese astronomy during the periods when he was president of Beijing University and vice president of the Chinese Academy of Sciences.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

[ show close-approach data ]
Alternate Designations
 1995 TL1 = 1995 UZ10 = 2000 WO121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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