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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121871158366078 3.5853e-08  
a 2.563753713042868 8.7094e-09 au
q 2.276133578261195 9.0687e-08 au
i 14.82453953194884 4.9989e-06 deg
node 344.5930168962403 1.5975e-05 deg
peri 57.24931143228343 2.9204e-05 deg
M 343.0907556519316 2.4936e-05 deg
tp 2459070.926252525659
(2020-Aug-09.42625253)
0.00010398 TDB
period 1499.384028484599
4.11
7.6404e-06
2.092e-08
d
yr
n .240098595930654 1.2235e-09 deg/d
Q 2.851373847824541 9.6865e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2392  
   data-arc span      33209 days (90.92 yr)  
   first obs. used      1929-08-31  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:28:58  

Additional Information
 Earth MOID = 1.31422 au 
 Jupiter MOID = 2.56963 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455909.5 (2011-Dec-14.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135603341076599 3.6053e-08  
q 2.272650654071254 9.1396e-08 au
tp 2456070.073252914756
(2012-May-22.57325291)
9.7181e-05 TDB
node 344.8145021036051 1.5959e-05 deg
peri 56.82228717655914 2.8839e-05 deg
i 14.83762418244102 4.9999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2392  
   data-arc span      33209 days (90.92 yr)  
   first obs. used      1929-08-31  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:28:58  

Additional Information
 Jupiter MOID = 2.56963 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.299796701561237E-15 -3.283736718632332E-15 -7.894760316412665E-14 -1.016754868596232E-15 -4.973799553689578E-15 -4.865920931025799E-16
q -3.283736718632332E-15 8.353287572976606E-15 3.720455226842116E-13 2.53310993059032E-15 5.024341435269869E-14 1.562033536563171E-15
tp -7.894760316412665E-14 3.720455226842116E-13 9.444130871218221E-9 -1.337263848006245E-11 2.348648701496746E-9 -6.052290136488085E-12
node -1.016754868596232E-15 2.53310993059032E-15 -1.337263848006245E-11 2.546831396934696E-10 -2.487113303166792E-10 -1.01521395074213E-11
peri -4.973799553689578E-15 5.024341435269869E-14 2.348648701496746E-9 -2.487113303166792E-10 8.316643417637742E-10 8.330647866329734E-12
i -4.865920931025799E-16 1.562033536563171E-15 -6.052290136488085E-12 -1.01521395074213E-11 8.330647866329734E-12 2.499933461263474E-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

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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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