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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121871166554045 3.5856e-08  
a 2.563753712072574 8.9365e-09 au
q 2.276133575300562 9.0726e-08 au
i 14.82453952450382 5.0646e-06 deg
node 344.5930169345299 1.6073e-05 deg
peri 57.24930886689505 2.9742e-05 deg
M 343.0907587398912 2.5791e-05 deg
tp 2459070.926239624464
(2020-Aug-09.42623962)
0.00010756 TDB
period 1499.3840276334
4.11
7.8396e-06
2.146e-08
d
yr
n .2400985960669577 1.2554e-09 deg/d
Q 2.851373848844587 9.939e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2362  
   data-arc span      32991 days (90.32 yr)  
   first obs. used      1929-08-31  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Earth MOID = 1.31422 au 
 Jupiter MOID = 2.56963 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455812.5 (2011-Sep-08.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134413678894266 3.6069e-08  
q 2.272580554996827 9.1413e-08 au
tp 2456070.251487754141
(2012-May-22.75148775)
0.00010005 TDB
node 344.814319502762 1.6056e-05 deg
peri 56.87274027973526 2.9383e-05 deg
i 14.83873703371581 5.0658e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2362  
   data-arc span      32991 days (90.32 yr)  
   first obs. used      1929-08-31  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Jupiter MOID = 2.56963 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.300997632996575E-15 -3.285186254282763E-15 -8.574082912177831E-14 -7.008094844477615E-16 -6.854808337467745E-15 -6.544562458858524E-16
q -3.285186254282763E-15 8.356418663020218E-15 4.351944222894112E-13 1.329872066924788E-15 6.570124729890444E-14 1.975766990329282E-15
tp -8.574082912177831E-14 4.351944222894112E-13 1.000999699339544E-8 -1.258064473415361E-11 2.476360530384969E-9 -7.072620497538295E-12
node -7.008094844477615E-16 1.329872066924788E-15 -1.258064473415361E-11 2.577934968215781E-10 -2.515045365845267E-10 -1.158929234236011E-11
peri -6.854808337467745E-15 6.570124729890444E-14 2.476360530384969E-9 -2.515045365845267E-10 8.633642263422982E-10 9.481237277763131E-12
i -6.544562458858524E-16 1.975766990329282E-15 -7.072620497538295E-12 -1.158929234236011E-11 9.481237277763131E-12 2.566237551122165E-11

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

[ show close-approach data ]
Alternate Designations
 1929 QF = 1954 UQ1 = 1958 TG1 = 1972 GC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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