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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075984193567685 3.1508e-08  
a 2.446746888474238 8.5116e-09 au
q 1.938806101860895 7.6909e-08 au
i 13.96059080956036 6.0372e-06 deg
node 28.20391456599048 1.4586e-05 deg
peri 225.3939263335264 2.1603e-05 deg
M 63.93030369046286 1.5999e-05 deg
tp 2458752.251712861990
(2019-Sep-25.75171286)
6.1907e-05 TDB
period 1397.918955655074
3.83
7.2945e-06
1.997e-08
d
yr
n .2575256587970807 1.3438e-09 deg/d
Q 2.954687675087582 1.0279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      14436 days (39.52 yr)  
   first obs. used      1981-05-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:57:57  

Additional Information
 Earth MOID = .951541 au 
 Jupiter MOID = 2.14721 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457287.5 (2015-Sep-22.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206807137069355 3.1559e-08  
q 1.94094031201944 7.6939e-08 au
tp 2457353.814329300088
(2015-Nov-27.31432930)
6.1569e-05 TDB
node 28.23814602836307 1.458e-05 deg
peri 225.3812303566947 2.1636e-05 deg
i 13.96272662831694 6.0375e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      14436 days (39.52 yr)  
   first obs. used      1981-05-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:57:57  

Additional Information
 Jupiter MOID = 2.14721 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.959549487382687E-16 -2.418858964063854E-15 -9.942387314285071E-13 6.337994185998139E-15 -2.696205952094763E-13 1.093101149550913E-15
q -2.418858964063854E-15 5.919612417665968E-15 2.444711144511857E-12 -1.545905615619357E-14 6.627045224177271E-13 -2.722331675450152E-15
tp -9.942387314285071E-13 2.444711144511857E-12 3.790740234272777E-9 -2.665505618053944E-11 9.955076123345387E-10 1.249136146926009E-12
node 6.337994185998139E-15 -1.545905615619357E-14 -2.665505618053944E-11 2.125902632253632E-10 -2.126090338574275E-10 -4.203392442460185E-11
peri -2.696205952094763E-13 6.627045224177271E-13 9.955076123345387E-10 -2.126090338574275E-10 4.681048078457241E-10 4.110407374499782E-11
i 1.093101149550913E-15 -2.722331675450152E-15 1.249136146926009E-12 -4.203392442460185E-11 4.110407374499782E-11 3.645178751843527E-11

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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