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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590940468496525 2.5357e-08  
a 2.317259269678626 5.9864e-09 au
q 1.716871187897721 5.9458e-08 au
i 9.446514612240032 3.6148e-06 deg
node 249.8528743281547 2.1823e-05 deg
peri 38.70642901295381 2.3402e-05 deg
M 14.95425097419749 8.8387e-06 deg
tp 2459146.979207770938
(2020-Oct-24.47920777)
3.1571e-05 TDB
period 1288.428637161912
3.53
4.9928e-06
1.367e-08
d
yr
n .2794101199062064 1.0827e-09 deg/d
Q 2.917647351459532 7.5375e-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 = .710151 au 
 Jupiter MOID = 2.27759 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 = 2.27759 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 14.66   n/a E2021B10  
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. 2020-October); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2109-Oct-27 10:46 < 00:01 Amphi 0.0377264780533716 0.0377146672694547 0.0377382888456691 7.23738445341244 7.23738443235793 2491655.948673730 0.412776664950466 589.546508369031 35.7994552877024 -2.74752692712861 12184.0523339536 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:06:13 2020-Nov-13 03:06

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