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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285120979343721 8.0437e-09  
a 2.393128812152598 5.768e-09 au
q 2.085582807875676 1.8376e-08 au
i 3.754814197468553 6.1773e-07 deg
node 117.2032673565319 6.3264e-06 deg
peri 109.3547038863124 9.3898e-06 deg
M 154.0030336491545 6.3086e-06 deg
tp 2458622.038691962457
(2019-May-18.53869196)
2.3181e-05 TDB
period 1352.220576173426
3.70
4.8887e-06
1.338e-08
d
yr
n .2662287546450032 9.625e-10 deg/d
Q 2.70067481642952 6.5092e-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-Apr-12 13:18:05  

Additional Information
 Earth MOID = 1.07826 au 
 Jupiter MOID = 2.28316 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457104.5 (2015-Mar-23.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278728902564692 8.055e-09  
q 2.087989527514557 1.8408e-08 au
tp 2457268.990762101509
(2015-Sep-03.49076210)
2.2838e-05 TDB
node 117.2252582463172 6.3289e-06 deg
peri 109.3679145641463 9.4038e-06 deg
i 3.753617862244643 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-Apr-12 13:18:05  

Additional Information
 Jupiter MOID = 2.28316 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.488282636098852E-17 -1.431046427949027E-16 -6.231454562468578E-14 -1.336256625246362E-14 -3.006110458807645E-15 2.657486204299207E-17
q -1.431046427949027E-16 3.388446295243222E-16 1.478658148572653E-13 3.196736320373433E-14 6.847283901315495E-15 -6.996567560090004E-17
tp -6.231454562468578E-14 1.478658148572653E-13 5.215636952603298E-10 2.727973204260858E-13 1.549596025977203E-10 -1.108785079303342E-12
node -1.336256625246362E-14 3.196736320373433E-14 2.727973204260858E-13 4.005442361496919E-11 -4.08896717658574E-11 -1.228060037753687E-14
peri -3.006110458807645E-15 6.847283901315495E-15 1.549596025977203E-10 -4.08896717658574E-11 8.843072743110296E-11 -2.898838756028174E-13
i 2.657486204299207E-17 -6.996567560090004E-17 -1.108785079303342E-12 -1.228060037753687E-14 -2.898838756028174E-13 3.813226700997313E-13

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 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

[ show close-approach data ]
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 | Close-Approach Data ]
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