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4452 Ullacharles (1988 RN)
Classification: Main-belt Asteroid          SPK-ID: 2004452
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319271929957515 1.7703e-08  
a 2.61443868473938 9.7115e-09 au
q 2.269523127802209 4.6459e-08 au
i 14.19169662858862 6.543e-07 deg
node 322.8063779163589 2.788e-06 deg
peri 137.2507590984964 1.1029e-05 deg
M 135.6820929343967 8.6887e-06 deg
tp 2458618.549357993150
(2019-May-15.04935799)
3.5909e-05 TDB
period 1544.066918423508
4.23
8.6033e-06
2.355e-08
d
yr
n .2331505167972642 1.2991e-09 deg/d
Q 2.959354241676551 1.0993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2247  
   data-arc span      17610 days (48.21 yr)  
   first obs. used      1973-01-03  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:38:08  

Additional Information
 Earth MOID = 1.3053 au 
 Jupiter MOID = 2.18125 au 
 T_jup = 3.353 
[ 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 12.23   n/a E2021B10  
diameter diameter 15.622 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.3085 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.095   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4452 Ullacharles           Discovered 1988 Sept. 7 by P. Jensen at Brorfelde.
Ulla Augustesen (1914-1990) and Charles Augustesen (1909-1987) were the parents of Brorfelde observer Karl Augustesen.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1988 RN = 1952 DQ1 = 1973 AG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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