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6849 Doloreshuerta (1979 MX6)
Classification: Main-belt Asteroid          SPK-ID: 2006849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08740682274837079 2.9343e-08  
a 2.367331746893788 7.5574e-09 au
q 2.160410800506452 6.9764e-08 au
i 6.385208332387344 3.334e-06 deg
node 253.8172685268247 3.2216e-05 deg
peri 1.598303833285912 3.8448e-05 deg
M 112.9343748036969 2.196e-05 deg
tp 2458583.140059887674
(2019-Apr-09.64005989)
8.0717e-05 TDB
period 1330.41493080917
3.64
6.3708e-06
1.744e-08
d
yr
n .2705922728791422 1.2958e-09 deg/d
Q 2.574252693281124 8.218e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2036  
   data-arc span      25145 days (68.84 yr)  
   first obs. used      1951-12-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:32:37  

Additional Information
 Earth MOID = 1.14557 au 
 Jupiter MOID = 2.46011 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO250276  
diameter diameter 4.071 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.424   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6849 Doloreshuerta           Discovered 1979 June 25 by E. F. Helin and S. J. Bus at Siding Spring.
Dolores Clara Fernández Huerta (b. 1930) is a Mexican-American civil rights leader. She co-founded the National Farmworkers Association, which won significant protections for farmworkers. She has won numerous awards for this work, including the Presidential Medal of Freedom in 2012.
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 2019-08-27Last Updated: 2019-09-23

Alternate Designations
 1979 MX6 = 1987 UB4 = 1990 OW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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