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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009874918698267 3.1582e-08  
a 2.373826937654034 7.3217e-09 au
q 2.134100109087322 7.5123e-08 au
i 6.047215056175554 3.9161e-06 deg
node 202.64177371 3.4819e-05 deg
peri 221.1356418889364 4.0492e-05 deg
M 66.93096398598608 2.0207e-05 deg
tp 2458752.131458573792
(2019-Sep-25.63145857)
7.4897e-05 TDB
period 1335.894025553792
3.66
6.1805e-06
1.692e-08
d
yr
n .2694824537827863 1.2468e-09 deg/d
Q 2.613553766220746 8.0611e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      21760 days (59.58 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:33:15  

Additional Information
 Earth MOID = 1.15088 au 
 Jupiter MOID = 2.65779 au 
 T_jup = 3.528 
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Orbital Elements at Epoch 2456503.5 (2013-Jul-30.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003624163344913 3.1508e-08  
q 2.135236933345677 7.4843e-08 au
tp 2456078.061118679239
(2012-May-30.56111868)
7.5761e-05 TDB
node 202.67830209187 3.4817e-05 deg
peri 220.5818589277945 4.0592e-05 deg
i 6.046205042174867 3.9176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      21760 days (59.58 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:33:15  

Additional Information
 Jupiter MOID = 2.65779 au 
 T_jup = 3.528 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.927332039182846E-16 -2.349064814913642E-15 -2.65703899718304E-13 1.452582894554428E-15 -7.65603236656128E-14 -5.365824070328825E-17
q -2.349064814913642E-15 5.601440539666721E-15 5.887612047207694E-13 -3.944023076137161E-15 1.730741009589009E-13 3.156724060086337E-16
tp -2.65703899718304E-13 5.887612047207694E-13 5.73979471700737E-9 -1.146353739510743E-11 1.593367017460195E-9 4.135389416140221E-13
node 1.452582894554428E-15 -3.944023076137161E-15 -1.146353739510743E-11 1.212242738015852E-9 -1.208117458597519E-9 -2.030530551739429E-11
peri -7.65603236656128E-14 1.730741009589009E-13 1.593367017460195E-9 -1.208117458597519E-9 1.647747941819634E-9 2.030116645655407E-11
i -5.365824070328825E-17 3.156724060086337E-16 4.135389416140221E-13 -2.030530551739429E-11 2.030116645655407E-11 1.534735213589731E-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 
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