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8075 Roero (1985 PE)
Classification: Outer Main-belt Asteroid          SPK-ID: 2008075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062878346777253 3.3764e-08  
a 3.200711797310959 1.8367e-08 au
q 2.540443891216231 1.1042e-07 au
i 11.54147607094221 4.0884e-06 deg
node 154.236228883369 1.9536e-05 deg
peri 218.9759848949815 2.1585e-05 deg
M 7.140160706990313 9.6991e-06 deg
tp 2458959.016654963387
(2020-Apr-19.51665496)
5.6297e-05 TDB
period 2091.550152163939
5.73
1.8003e-05
4.929e-08
d
yr
n .1721211416458459 1.4816e-09 deg/d
Q 3.860979703405687 2.2156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      12563 days (34.40 yr)  
   first obs. used      1985-08-14  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:45:20  

Additional Information
 Earth MOID = 1.55163 au 
 Jupiter MOID = 1.64759 au 
 T_jup = 3.130 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO492846  
diameter diameter 12.667 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8075 Roero           Discovered 1985 Aug. 14 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory.
The region of Roero, in Piemonte, Italy, is greatly appreciated for its natural beauty, its agricultural products and for the delicious wines (both red and white) produced there. The citation was provided by V. Zappalà.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1985 PE = 1991 RN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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