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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074992004587753 8.8216e-09  
a 2.446461764444344 8.3688e-09 au
q 1.938822904369178 2.0366e-08 au
i 13.96100782295655 3.9297e-07 deg
node 28.20271821201712 2.798e-06 deg
peri 225.3640412914618 6.8045e-06 deg
M 115.4859725515042 5.2551e-06 deg
tp 2458752.133856674123
(2019-Sep-25.63385667)
1.9473e-05 TDB
period 1397.674609575024
3.83
7.1717e-06
1.964e-08
d
yr
n .2575706802812003 1.3216e-09 deg/d
Q 2.954100624519509 1.0105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1901  
   data-arc span      14547 days (39.83 yr)  
   first obs. used      1981-05-09  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:59  

Additional Information
 Earth MOID = .950146 au 
 Jupiter MOID = 2.14648 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 14.07   n/a E2020-QM5  
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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