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10476 Los Molinos (1981 EY38)
Classification: Main-belt Asteroid          SPK-ID: 2010476
[ 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2589493003563171 2.5376e-08  
a 2.316804262839907 5.9377e-09 au
q 1.71686941991498 5.9449e-08 au
i 9.447785071583425 3.6153e-06 deg
node 249.8581430497544 2.1819e-05 deg
peri 38.7358860739521 2.3398e-05 deg
M 319.0394325152286 8.7807e-06 deg
tp 2459147.053402702207
(2020-Oct-24.55340270)		 3.1576e-05 TDB
period 1288.049170520151
3.53		 4.9517e-06
1.356e-08		 d
yr
n .2794924357232586 1.0745e-09 deg/d
Q 2.916739105764834 7.4753e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1643  
   data-arc span      15433 days (42.25 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:06:09  

Additional Information
 Earth MOID = .71203 au 
 Jupiter MOID = 2.27932 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457131.5 (2015-Apr-19.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594837724514405 2.5399e-08  
q 1.715427574235855 5.9512e-08 au
tp 2456569.915816786338
(2013-Oct-04.41581679)		 2.9953e-05 TDB
node 249.967335714315 2.1819e-05 deg
peri 38.52949388209382 2.3383e-05 deg
i 9.449454412210581 3.6145e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1643  
   data-arc span      15433 days (42.25 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:06:09  

Additional Information
 Jupiter MOID = 2.27932 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.45101311477903E-16 -1.507437561483937E-15 -7.516948145550925E-14 -3.812366745818338E-15 -3.609678172093727E-15 6.365276217628013E-16
q -1.507437561483937E-15 3.541700250401615E-15 1.728104109121074E-13 9.623208287190356E-15 9.731868147717547E-15 -1.457086228050174E-15
tp -7.516948145550925E-14 1.728104109121074E-13 8.97160236871878E-10 -5.263424979245241E-13 2.630954720353048E-10 -1.787888396152743E-12
node -3.812366745818338E-15 9.623208287190356E-15 -5.263424979245241E-13 4.760680771373403E-10 -4.692814230767827E-10 -2.137493284154251E-11
peri -3.609678172093727E-15 9.731868147717547E-15 2.630954720353048E-10 -4.692814230767827E-10 5.467528462864174E-10 2.059012612924854E-11
i 6.365276217628013E-16 -1.457086228050174E-15 -1.787888396152743E-12 -2.137493284154251E-11 2.059012612924854E-11 1.306442532006754E-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 14.6   n/a MPO319216  
diameter diameter 2.853 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 267.906 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.342   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10476 Los Molinos           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Los Molinos is the astronomical observatory located north of Montevideo, Uruguay (MPC code 844), actively involved in follow-up observations of asteroids and comets. The observatory belongs to the Ministerio de Educación y Cultura.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

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Alternate Designations
 1981 EY38 = 1978 NB3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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