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14812 Rosario (1981 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2014812
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 .2075984512350122 3.6446e-08  
a 2.446746887560082 1.0574e-08 au
q 1.938806023138523 9.1169e-08 au
i 13.9605879617728 6.1895e-06 deg
node 28.20391974248781 1.8622e-05 deg
peri 225.3939087392059 2.4868e-05 deg
M 63.93031369809576 1.6871e-05 deg
tp 2458752.251674140395
(2019-Sep-25.75167414)
6.5283e-05 TDB
period 1397.918954871637
3.83
9.0619e-06
2.481e-08
d
yr
n .2575256589414062 1.6694e-09 deg/d
Q 2.954687751981642 1.2769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1303  
   data-arc span      13881 days (38.00 yr)  
   first obs. used      1981-05-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:16:30  

Additional Information
 Earth MOID = .951541 au 
 Jupiter MOID = 2.14721 au 
 T_jup = 3.429 
[ 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 14.1   n/a MPO473967  
diameter diameter 4.881 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

14812 Rosario           Discovered 1981 May 9 by the Félix Aguilar Observatory team at the El Leoncito Station.
One of the largest cities in Argentina, Rosario is located near the Parana River. The city has a planetarium, and astronomical activities are carried out at the Physics Institute of the Rosario National University. The name was suggested by W. A. Fröger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 1981 JR1 = 2000 CH95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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