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1979 Sakharov (2006 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2001979
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009874927379207 3.1513e-08  
a 2.373826937433863 7.3051e-09 au
q 2.13410010682868 7.4927e-08 au
i 6.047215075873779 3.9057e-06 deg
node 202.6417737544633 3.4811e-05 deg
peri 221.1356415656852 4.0479e-05 deg
M 66.9309644127561 2.0182e-05 deg
tp 2458752.131457024681
(2019-Sep-25.63145702)
7.4805e-05 TDB
period 1335.894025367936
3.66
6.1665e-06
1.688e-08
d
yr
n .2694824538202779 1.2439e-09 deg/d
Q 2.613553768039045 8.0428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2164  
   data-arc span      21792 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:13:39  

Additional Information
 Earth MOID = 1.15088 au 
 Jupiter MOID = 2.65779 au 
 T_jup = 3.528 
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Orbital Elements at Epoch 2456526.5 (2013-Aug-22.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003495412078457 3.1437e-08  
q 2.1352932803964 7.4643e-08 au
tp 2456078.066257298238
(2012-May-30.56625730)
7.5719e-05 TDB
node 202.6783842551487 3.481e-05 deg
peri 220.5860768582062 4.0581e-05 deg
i 6.046164036488901 3.9071e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2164  
   data-arc span      21792 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:13:39  

Additional Information
 Jupiter MOID = 2.65779 au 
 T_jup = 3.528 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.88275636751509E-16 -2.337531176959717E-15 -2.596285191958563E-13 1.406321383088751E-15 -7.50924895744552E-14 -4.208480118076532E-17
q -2.337531176959717E-15 5.571613769153363E-15 5.732181934788838E-13 -3.811283285457904E-15 1.693194987778367E-13 2.84530682696109E-16
tp -2.596285191958563E-13 5.732181934788838E-13 5.733399653306834E-9 -1.133151887923618E-11 1.591802634463734E-9 4.202279595564386E-13
node 1.406321383088751E-15 -3.811283285457904E-15 -1.133151887923618E-11 1.21170368696812E-9 -1.207547239590316E-9 -2.051324308500414E-11
peri -7.50924895744552E-14 1.693194987778367E-13 1.591802634463734E-9 -1.207547239590316E-9 1.646828303267208E-9 2.051021469306774E-11
i -4.208480118076532E-17 2.84530682696109E-16 4.202279595564386E-13 -2.051324308500414E-11 2.051021469306774E-11 1.526577031738274E-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 13.6   n/a MPO502172  
diameter diameter 4.760 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.5209 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J.; Inasaridze, R.Y.; Kvaratskhelia, O.I.; Ayvazian, V.; et al. (2013) Minor Planet Bull. 40, 169-172.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
geometric albedo albedo 0.394   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1979 Sakharov           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named in honor of Academician Andrej Dmitrievich Sakharov, distinguished physicist and mathematician -- and a courageous individual.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6207Last Updated: 2006-03-21

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Alternate Designations
 2006 P-L = 1971 SQ3 = 1982 SZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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