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JPL Small-Body Database Browser
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19224 Orosei (1993 RJ3)
Classification: Main-belt Asteroid          SPK-ID: 2019224
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 .1586490441833293 3.8527e-08  
a 2.251864286109369 9.9792e-09 au
q 1.894608169487543 8.7342e-08 au
i 6.482313747415815 3.8869e-06 deg
node 242.5433637684455 3.5626e-05 deg
peri 127.9674686940576 3.8071e-05 deg
M 318.630479139956 1.7319e-05 deg
tp 2459142.337065293537
(2020-Oct-19.83706529)
6.0098e-05 TDB
period 1234.274471740134
3.38
8.2046e-06
2.246e-08
d
yr
n .2916693233494947 1.9388e-09 deg/d
Q 2.609120402731196 1.1562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      11969 days (32.77 yr)  
   first obs. used      1986-08-26  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:43:50  

Additional Information
 Earth MOID = .903151 au 
 Jupiter MOID = 2.88232 au 
 T_jup = 3.601 
[ 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 15.3   n/a MPO474019  
diameter diameter 2.226 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.296   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19224 Orosei           Discovered 1993 Sept. 15 by A. Boattini at Cima Ekar.
Roberto Orosei (b. 1968) has worked on theoretical and numerical tools for microwave experiments in planetary missions. He has participated in many international projects, mostly related to European Space Agency missions for solar-system exploration.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

Alternate Designations
 1993 RJ3 = 1999 JA56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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