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JPL Small-Body Database Browser
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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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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07755087211566279 3.8463e-08  
a 3.092524647865187 1.4266e-08 au
q 2.852696664384059 1.188e-07 au
i 8.933615078851863 4.3445e-06 deg
node 20.55262900118577 2.5741e-05 deg
peri 14.71600610621982 3.6808e-05 deg
M 179.8730113376746 2.6944e-05 deg
tp 2457607.997324649614
(2016-Aug-07.49732465)
0.00014672 TDB
period 1986.406745897971
5.44
1.3745e-05
3.763e-08
d
yr
n .1812317647145621 1.254e-09 deg/d
Q 3.332352631346315 1.5372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      34891 days (95.53 yr)  
   first obs. used      1923-10-31  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:17:29  

Additional Information
 Earth MOID = 1.85903 au 
 Jupiter MOID = 2.06988 au 
 T_jup = 3.201 
[ 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. 2019-January); 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

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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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