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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 ]

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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285120975147617 8.0437e-09  
a 2.393128811325299 5.768e-09 au
q 2.085582808158877 1.8376e-08 au
i 3.754814224767137 6.1773e-07 deg
node 117.2032673216735 6.3264e-06 deg
peri 109.3547047629941 9.3898e-06 deg
M 154.0030327372563 6.3086e-06 deg
tp 2458622.038695687660
(2019-May-18.53869569)
2.3181e-05 TDB
period 1352.220575472238
3.70
4.8887e-06
1.338e-08
d
yr
n .2662287547830551 9.6251e-10 deg/d
Q 2.700674814491722 6.5093e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 13:28:29  

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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278728899806153 8.055e-09  
q 2.087989527534502 1.8408e-08 au
tp 2457268.990761387002
(2015-Sep-03.49076139)
2.2838e-05 TDB
node 117.2252582728129 6.3289e-06 deg
peri 109.3679143132926 9.4038e-06 deg
i 3.753617872205103 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 13:28:29  

Additional Information
 Jupiter MOID = 2.28316 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.488290694599403E-17 -1.431046772795518E-16 -6.23144879323366E-14 -1.336257207051615E-14 -3.006083936126104E-15 2.657486631048957E-17
q -1.431046772795518E-16 3.388446680749259E-16 1.478658162111464E-13 3.196736701657459E-14 6.847278240647386E-15 -6.996576175573639E-17
tp -6.23144879323366E-14 1.478658162111464E-13 5.215636846935583E-10 2.72795113133603E-13 1.549596031155806E-10 -1.10878493647613E-12
node -1.336257207051615E-14 3.196736701657459E-14 2.72795113133603E-13 4.005442377806921E-11 -4.088967294062307E-11 -1.228068334399454E-14
peri -3.006083936126104E-15 6.847278240647386E-15 1.549596031155806E-10 -4.088967294062307E-11 8.843072975103556E-11 -2.898837447587376E-13
i 2.657486631048957E-17 -6.996576175573639E-17 -1.10878493647613E-12 -1.228068334399454E-14 -2.898837447587376E-13 3.813226666832337E-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

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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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