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21873 Jindrichuvhradec (1999 UU3)
Classification: Main-belt Asteroid          SPK-ID: 2021873
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073148172252384 8.7382e-08  
a 3.152306608376717 3.3918e-08 AU
q 2.498786740023187 2.7446e-07 AU
i 4.463417134540083 6.7286e-06 deg
node 238.0440315606461 0.0001063 deg
peri 131.1255728336456 0.0001074 deg
M 237.9386077922639 1.7838e-05 deg
tp 2457493.633555093997
(2016-Apr-15.13355509)
0.00010749 JED
period 2044.283416079406
5.60
3.2994e-05
9.033e-08
d
yr
n .1761008269051167 2.8422e-09 deg/d
Q 3.805826476730247 4.0949e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      11521 days (31.54 yr)  
   first obs. used      1982-09-19  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:17:27  

Additional Information
 Earth MOID = 1.49987 AU 
 T_jup = 3.169 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a PDS3 (MPO 8890)  

21873 Jindrich{u°}vhradec           Discovered 1999 Oct. 29 by J. Ticha and M. Tichy at Klet.
Jindrich{u°}v Hradec is the pleasant south Bohemian town founded in the thirteenth century, known for its Renaissance château and provost's Gothic church situated precisely on the fifteenth meridian east of Greenwich, as a line across its paving stones shows.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 UU3 = 1982 SN8 = 1988 XA5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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