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2066 Palala (1934 LB)
Classification: Main-belt Asteroid          SPK-ID: 2002066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283836343118563 8.0483e-09  
a 2.39339993062661 5.7518e-09 au
q 2.086126549171022 1.839e-08 au
i 3.754807244846459 6.1773e-07 deg
node 117.203119914703 6.326e-06 deg
peri 109.3235757761383 9.3952e-06 deg
M 206.2195559467664 6.3729e-06 deg
tp 2459974.223385913053
(2023-Jan-29.72338591)
2.4682e-05 TDB
period 1352.450373057208
3.70
4.8753e-06
1.335e-08
d
yr
n .2661835193155528 9.5953e-10 deg/d
Q 2.700673312082199 6.4902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3261  
   data-arc span      32660 days (89.42 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:19:38  

Additional Information
 Earth MOID = 1.08051 au 
 Jupiter MOID = 2.28197 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278715414948515 8.055e-09  
q 2.087988648842281 1.8408e-08 au
tp 2457268.992376599907
(2015-Sep-03.49237660)
2.2838e-05 TDB
node 117.225242793763 6.3289e-06 deg
peri 109.368455941963 9.4038e-06 deg
i 3.753617137630898 6.1751e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3261  
   data-arc span      32660 days (89.42 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:19:38  

Additional Information
 Jupiter MOID = 2.28197 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.488235368281174E-17 -1.431031445100932E-16 -6.231407168077762E-14 -1.336261508241311E-14 -3.005909980233872E-15 2.657147196025076E-17
q -1.431031445100932E-16 3.388400532656709E-16 1.478625216939767E-13 3.196739986809413E-14 6.846266983048927E-15 -6.995130843899559E-17
tp -6.231407168077762E-14 1.478625216939767E-13 5.215770691787744E-10 2.730064434684619E-13 1.549635688838232E-10 -1.108797373550916E-12
node -1.336261508241311E-14 3.196739986809413E-14 2.730064434684619E-13 4.005453905580835E-11 -4.088973204744066E-11 -1.228096666540326E-14
peri -3.005909980233872E-15 6.846266983048927E-15 1.549635688838232E-10 -4.088973204744066E-11 8.843203719615681E-11 -2.898876272071367E-13
i 2.657147196025076E-17 -6.995130843899559E-17 -1.108797373550916E-12 -1.228096666540326E-14 -2.898876272071367E-13 3.813223369869997E-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 12.79   n/a E2021B10  
diameter diameter 17.025 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.732 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oey, J. (2009) Minor Planet Bull. 36, 4-6.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.056   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2066 Palala           Discovered 1934 June 4 by C. Jackson at Johannesburg.
Named for a river, a tributary of the Limpopo, in the western Transvaal.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5184Last Updated: 2006-03-21

Alternate Designations
 1934 LB = 1931 TZ = 1934 LH = 1952 DH2 = 1967 GC = 1974 CZ = 1975 NZ = 1975 QM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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