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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139436553686467 4.5558e-08  
a 2.974568340273438 1.4497e-08 au
q 2.635635150438834 1.3534e-07 au
i 11.47230464067589 4.024e-06 deg
node 71.66375486933512 2.1618e-05 deg
peri 330.6389958988602 2.6275e-05 deg
M 237.665542838924 1.5948e-05 deg
tp 2460033.267152253470
(2023-Mar-29.76715225)
8.4694e-05 TDB
period 1873.847974895719
5.13
1.3699e-05
3.751e-08
d
yr
n .1921180398959709 1.4045e-09 deg/d
Q 3.313501530108042 1.6149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      15365 days (42.07 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:44:38  

Additional Information
 Earth MOID = 1.65139 au 
 Jupiter MOID = 2.07028 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 12.85   n/a MPO636290  
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. 2020-October); 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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