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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111530727773178 3.7535e-08  
a 3.084998548456886 1.4955e-08 au
q 2.740926415168292 1.1556e-07 au
i 1.412906306743677 3.9057e-06 deg
node 157.3069473523769 0.00015647 deg
peri 52.43123036500724 0.00015725 deg
M 238.5595450617741 1.7136e-05 deg
tp 2459868.139091729355
(2022-Oct-15.63909173)
9.6344e-05 TDB
period 1979.159853648677
5.42
1.4392e-05
3.94e-08
d
yr
n .1818953629926975 1.3227e-09 deg/d
Q 3.429070681745479 1.6623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:26:05  

Additional Information
 Earth MOID = 1.735 au 
 Jupiter MOID = 1.53107 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456858.5 (2014-Jul-20.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124725726191357 3.7373e-08  
q 2.73635813453006 1.1499e-07 au
tp 2455918.595304711962
(2011-Dec-23.09530471)
8.7017e-05 TDB
node 157.3112637886443 0.00015651 deg
peri 53.62837191899577 0.00015729 deg
i 1.412035472835512 3.9086e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:26:05  

Additional Information
 Jupiter MOID = 1.53107 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.396712428384086E-15 -4.268822148932067E-15 -3.167740549666807E-13 1.843232394051116E-17 -5.317824445864733E-14 4.488290826185127E-17
q -4.268822148932067E-15 1.322171357234198E-14 1.151238068847613E-12 1.28759919808376E-15 2.083721546737544E-13 -6.670026622511873E-17
tp -3.167740549666807E-13 1.151238068847613E-12 7.571894968559673E-9 1.745694191515857E-12 1.377915289156811E-9 9.447554620341965E-14
node 1.843232394051116E-17 1.28759919808376E-15 1.745694191515857E-12 2.44963392361669E-8 -2.448827815181498E-8 1.379275569703667E-10
peri -5.317824445864733E-14 2.083721546737544E-13 1.377915289156811E-9 -2.448827815181498E-8 2.474013094123046E-8 -1.378621731781154E-10
i 4.488290826185127E-17 -6.670026622511873E-17 9.447554620341965E-14 1.379275569703667E-10 -1.378621731781154E-10 1.527736436027033E-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 14.18   n/a E2021B10  
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

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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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