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JPL Small-Body Database Browser
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2144 Marietta (1975 BC1)
Classification: Main-belt Asteroid          SPK-ID: 2002144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0620822186282672 3.4408e-08  
a 2.873967125318354 1.2816e-08 au
q 2.695544869913888 9.9177e-08 au
i 2.830270339239215 4.1324e-06 deg
node 138.5032247537025 7.8976e-05 deg
peri 277.2608748141624 8.6207e-05 deg
M 105.7563348796168 3.4508e-05 deg
tp 2458077.712720780623
(2017-Nov-20.21272078)
0.00017007 TDB
period 1779.594770688765
4.87
1.1904e-05
3.259e-08
d
yr
n .2022932444674849 1.3531e-09 deg/d
Q 3.052389380722821 1.3612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2931  
   data-arc span      26263 days (71.90 yr)  
   first obs. used      1947-06-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:30:55  

Additional Information
 Earth MOID = 1.70849 au 
 Jupiter MOID = 2.16584 au 
 T_jup = 3.292 
[ 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 11.3   n/a MPO395013  
diameter diameter 15.677 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.488 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Arredondo, A.; Hartt, A.-M.; Yazdi, S.K. (2014) Minor Planet Bull. 41, 252-254.]
[Klinglesmith III, D.A.; Hendrickx, S. (2018) Minor Planet Bull. 45, 162-165.]
geometric albedo albedo 0.286   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2144 Marietta           Discovered 1975 Jan. 18 by L. I. Chernykh at the Crimean Astrophysical Observatory.
Named in honor of Marietta Sergeevna Shaginyan, Soviet writer, doctor of philology, a member of the Armenian Academy of Sciences.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5284Last Updated: 2007-10-23

[ show close-approach data ]
Alternate Designations
 1975 BC1 = 1929 VB = 1947 LH = 1968 UC3 = 1971 HC = 1972 NM = 1973 TA1 = 1977 NO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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