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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2740016330596016 3.4306e-08  
a 2.672744588124471 1.3092e-08 au
q 1.940408206227153 9.1484e-08 au
i 5.327270250798221 3.8734e-06 deg
node 29.05539008248089 4.3392e-05 deg
peri 317.9096037409581 4.4001e-05 deg
M 219.9743932893223 1.048e-05 deg
tp 2459821.282659929198
(2022-Aug-29.78265993)
4.9475e-05 TDB
period 1596.006350726061
4.37
1.1726e-05
3.21e-08
d
yr
n .225563012225 1.6573e-09 deg/d
Q 3.405080970021788 1.6679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      15570 days (42.63 yr)  
   first obs. used      1978-07-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:18:38  

Additional Information
 Earth MOID = .936154 au 
 Jupiter MOID = 2.03399 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 14.41   n/a E2021B10  
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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