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15837 Mariovalori (1995 DG13)
Classification: Main-belt Asteroid          SPK-ID: 2015837
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117812619465343 4.0121e-08  
a 3.084211189248179 1.5534e-08 au
q 2.739454170404396 1.2223e-07 au
i 1.412938989278957 4.2478e-06 deg
node 157.3158249729667 0.00015882 deg
peri 52.48675517632106 0.00015962 deg
M 202.1143148231473 1.7107e-05 deg
tp 2459868.170525563717
(2022-Oct-15.67052556)
9.6568e-05 TDB
period 1978.402214570956
5.42
1.4946e-05
4.092e-08
d
yr
n .1819650207367317 1.3747e-09 deg/d
Q 3.428968208091962 1.727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      9083 days (24.87 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:56:27  

Additional Information
 Earth MOID = 1.73446 au 
 Jupiter MOID = 1.53235 au 
 T_jup = 3.217 
[ 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 14.2   n/a MPO502290  
diameter diameter 7.337 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15837 Mariovalori           Discovered 1995 Feb. 25 by M. Tombelli at Cima Ekar.
Mario Valori (1930-2000) was an amateur astronomer in the Montelupo Group.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1995 DG13 = 1997 TM16 = 1998 XE26 = 2000 AT89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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