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19912 Aurapenenta (1955 RE1)
Classification: Main-belt Asteroid          SPK-ID: 2019912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2535263111315547 2.5177e-08  
a 2.378909949534604 7.274e-09 au
q 1.775793685514943 5.9573e-08 au
i 7.226540725040987 6.6454e-07 deg
node 319.4431196088227 7.0904e-06 deg
peri 22.86784329876864 8.0937e-06 deg
M 345.7413518695935 8.3405e-06 deg
tp 2459449.581267175895
(2021-Aug-23.08126718)
3.1186e-05 TDB
period 1340.18709267197
3.67
6.1469e-06
1.683e-08
d
yr
n .2686192114283518 1.232e-09 deg/d
Q 2.982026213554266 9.1182e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1759  
   data-arc span      24028 days (65.79 yr)  
   first obs. used      1955-09-14  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:55:25  

Additional Information
 Earth MOID = .769011 au 
 Jupiter MOID = 2.43308 au 
 T_jup = 3.485 
[ 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 13.9   n/a MPO474027  
diameter diameter 4.086 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.340 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.443   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19912 Aurapenenta           Discovered 1955 Sept. 14 at the Goethe Link Observatory, Indiana University.
Aurapenenta honors the fiftieth anniversary of the Association of Universities for Research in Astronomy, which transformed American astronomy through its stewardship of the National Optical Astronomy Observatory, the National Solar Observatory, the Gemini Observatory and the Space Telescope Science Institute.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

Alternate Designations
 1955 RE1 = 1955 TF = 1988 SY = 1998 FG105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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