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1008 La Paz (A923 UD)
Classification: Main-belt Asteroid          SPK-ID: 2001008
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07559246928131877 3.4036e-08  
a 3.09813772728345 1.3405e-08 au
q 2.863941846304481 1.0751e-07 au
i 8.919442788920561 3.7969e-06 deg
node 20.42076000945183 2.4677e-05 deg
peri 14.29001985770767 3.5727e-05 deg
M 252.761098002801 2.7014e-05 deg
tp 2459593.834177238580
(2022-Jan-14.33417724)
0.00015108 TDB
period 1991.817333335508
5.45
1.2927e-05
3.539e-08
d
yr
n .1807394653992402 1.173e-09 deg/d
Q 3.332333608262419 1.4418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2849  
   data-arc span      35446 days (97.05 yr)  
   first obs. used      1923-10-31  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:57:40  

Additional Information
 Earth MOID = 1.87073 au 
 Jupiter MOID = 2.05989 au 
 T_jup = 3.200 
[ show covariance matrix ]

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 10.6   n/a MPO267710  
diameter diameter 41.061 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.998 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.027   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

1008 La Paz (A923 UD)          Discovered 1923-Oct-31 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A923 UD = 1950 UN = 1970 JA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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