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JPL Small-Body Database Browser
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15004 Vallerani (1997 XL10)
Classification: Main-belt Asteroid          SPK-ID: 2015004
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139832192634714 4.6107e-08  
a 2.974060211215726 1.55e-08 au
q 2.635067254057957 1.3652e-07 au
i 11.47343925117383 4.214e-06 deg
node 71.66527954564545 2.2375e-05 deg
peri 330.836978936004 2.7687e-05 deg
M 161.3329281281078 1.6462e-05 deg
tp 2458160.955777275094
(2018-Feb-11.45577727)
8.4722e-05 TDB
period 1873.367846773185
5.13
1.4646e-05
4.01e-08
d
yr
n .1921672781029569 1.5023e-09 deg/d
Q 3.313053168373493 1.7267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      14834 days (40.61 yr)  
   first obs. used      1979-06-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:08:58  

Additional Information
 Earth MOID = 1.65131 au 
 Jupiter MOID = 2.0683 au 
 T_jup = 3.222 
[ 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 12.8   n/a MPO473969  
diameter diameter 9.623 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24.302 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.182   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15004 Vallerani           Discovered 1997 Dec. 7 by M. Tombelli and G. Forti at Asiago.
Ernesto Vallerani (b. 1936) has participated in numerous important European and international scientific programs, notably playing a key role in space activities in Italy's Piedmont region. The name was suggested by F. Bevilacqua and C. Casacci.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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