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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010586182348959 1.7583e-08  
a 2.373461732710125 6.8667e-09 au
q 2.133602969569038 4.2842e-08 au
i 6.047815195733556 9.3754e-07 deg
node 202.6373158277283 6.4162e-06 deg
peri 221.0518301645846 1.2454e-05 deg
M 120.9169408809848 8.1794e-06 deg
tp 2458751.902934451706
(2019-Sep-25.40293445)
3.0366e-05 TDB
period 1335.585753499509
3.66
5.796e-06
1.587e-08
d
yr
n .2695446541389993 1.1697e-09 deg/d
Q 2.613320495851212 7.5607e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      22094 days (60.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:53:50  

Additional Information
 Earth MOID = 1.14966 au 
 Jupiter MOID = 2.65824 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456728.5 (2014-Mar-12.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001803040062785 1.7481e-08  
q 2.136083933758826 4.2505e-08 au
tp 2456078.129971249733
(2012-May-30.62997125)
3.3451e-05 TDB
node 202.6761678835742 6.4176e-06 deg
peri 220.6447122348879 1.2582e-05 deg
i 6.045518570231299 9.3807e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      22094 days (60.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:53:50  

Additional Information
 Jupiter MOID = 2.65824 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.05568363825871E-16 -7.352861035032104E-16 9.326111938894082E-14 1.917051962364182E-14 2.670603519729805E-14 -2.990896528888762E-15
q -7.352861035032104E-16 1.806708980939913E-15 -2.993369934761028E-13 -4.589412358152941E-14 -7.831164424747464E-14 7.145160422632469E-15
tp 9.326111938894082E-14 -2.993369934761028E-13 1.118983120191755E-9 -2.884075495637736E-11 3.610079551140262E-10 8.464897235984688E-12
node 1.917051962364182E-14 -4.589412358152941E-14 -2.884075495637736E-11 4.118585187824451E-11 -4.859054494163985E-11 -3.944022744975021E-12
peri 2.670603519729805E-14 -7.831164424747464E-14 3.610079551140262E-10 -4.859054494163985E-11 1.582964259301627E-10 6.294664815323789E-12
i -2.990896528888762E-15 7.145160422632469E-15 8.464897235984688E-12 -3.944022744975021E-12 6.294664815323789E-12 8.799837301609616E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.68   n/a E2021B10  
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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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

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