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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117812605766305 3.9804e-08  
a 3.084211188829999 1.5458e-08 au
q 2.739454174258034 1.2141e-07 au
i 1.412938297022016 4.2093e-06 deg
node 157.3158158360299 0.00015869 deg
peri 52.48676485610338 0.00015948 deg
M 202.1143144523728 1.7091e-05 deg
tp 2459868.170527424863
(2022-Oct-15.67052743)
9.6508e-05 TDB
period 1978.402214168586
5.42
1.4873e-05
4.072e-08
d
yr
n .18196502077374 1.368e-09 deg/d
Q 3.428968203401964 1.7186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:06  

Additional Information
 Earth MOID = 1.73446 au 
 Jupiter MOID = 1.53235 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456706.5 (2014-Feb-18.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123558770503008 3.9581e-08  
q 2.73703647984473 1.2066e-07 au
tp 2455918.627228014898
(2011-Dec-23.12722802)
8.8741e-05 TDB
node 157.3095452196774 0.00015872 deg
peri 53.66121576982517 0.00015953 deg
i 1.411966491392229 4.2118e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:06  

Additional Information
 Jupiter MOID = 1.53235 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.566632869163766E-15 -4.745596683022376E-15 -5.32182794958611E-13 -1.802276439766389E-15 -9.631445878264661E-14 -2.30352881455092E-17
q -4.745596683022376E-15 1.455991344348798E-14 1.755812548871104E-12 6.480492443419928E-15 3.292927496505559E-13 1.350987762919494E-16
tp -5.32182794958611E-13 1.755812548871104E-12 7.874999499664141E-9 5.648410260332782E-13 1.441130641983662E-9 -3.687991519333334E-14
node -1.802276439766389E-15 6.480492443419928E-15 5.648410260332782E-13 2.51932883879455E-8 -2.518521515547535E-8 1.787453699322756E-10
peri -9.631445878264661E-14 3.292927496505559E-13 1.441130641983662E-9 -2.518521515547535E-8 2.544978312063389E-8 -1.786913616468612E-10
i -2.30352881455092E-17 1.350987762919494E-16 -3.687991519333334E-14 1.787453699322756E-10 -1.786913616468612E-10 1.773925878704247E-11

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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