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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.

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
3.1576e-05 TDB
period 1288.049170520151
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 
[ 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 14.66   n/a E2021B10  
diameter diameter 2.853 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
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] (  

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
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 
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