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1158 Luda (1929 QF)
Classification: Main-belt Asteroid          SPK-ID: 2001158
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121871148032898 3.5682e-08  
a 2.563753713869148 8.1621e-09 au
q 2.276133581643949 8.995e-08 au
i 14.82453992250841 4.7094e-06 deg
node 344.5930162096354 1.5835e-05 deg
peri 57.24931426388287 2.8041e-05 deg
M 343.0907529480276 2.2954e-05 deg
tp 2459070.926263821346
(2020-Aug-09.42626382)		 9.5688e-05 TDB
period 1499.384029209461
4.11		 7.1603e-06
1.96e-08		 d
yr
n .2400985958145809 1.1466e-09 deg/d
Q 2.851373846094346 9.0778e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2601  
   data-arc span      33298 days (91.16 yr)  
   first obs. used      1929-08-31  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:54  

Additional Information
 Earth MOID = 1.31422 au 
 Jupiter MOID = 2.56963 au 
 T_jup = 3.378 
[ 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 10.80   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8
diameter diameter 18.636 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.863 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2005) Minor Planet Bull. 32, 54-58.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 21-23.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.221   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1158 Luda (1929 QF)          Discovered 1929-Aug-31 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1929 QF = 1954 UQ1 = 1958 TG1 = 1972 GC 
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