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JPL Small-Body Database Browser
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33158 Rufus (1998 DU23)
Classification: Main-belt Asteroid          SPK-ID: 2033158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737790731786258 3.5251e-08  
a 2.67324147999088 1.3474e-08 au
q 1.941363905216319 9.3815e-08 au
i 5.326474905722448 4.0127e-06 deg
node 29.06092901174137 4.618e-05 deg
peri 317.8882128218332 4.68e-05 deg
M 174.8878113997308 1.0398e-05 deg
tp 2458224.944725140182
(2018-Apr-16.44472514)
4.29e-05 TDB
period 1596.451443442125
4.37
1.207e-05
3.305e-08
d
yr
n .2255001249670334 1.7048e-09 deg/d
Q 3.405119054765441 1.7162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      15165 days (41.52 yr)  
   first obs. used      1978-07-29  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:00:29  

Additional Information
 Earth MOID = .938864 au 
 Jupiter MOID = 2.0332 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO468138  
diameter diameter 3.140 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.374   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

33158 Rúfus           Discovered 1998 Feb. 26 by P. Kolény and L. Kornoš at Modra.
The poet, essayist and translator Milan Rúfus (1928-2009) was a modern traditionalist. As the most widely read poet in Slovakia, he was ingenuous and noble, a moral authority. His works have been translated into 14 languages. The name was suggested by P. Rapavý and D. Podracká.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 DU23 = 1987 SX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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