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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123669539094398 1.8575e-08  
a 2.564290215714966 6.6587e-09 au
q 2.276148735235295 4.8827e-08 au
i 14.82418628447019 7.8077e-07 deg
node 344.5901151446474 2.1708e-06 deg
peri 57.27858268573346 8.4194e-06 deg
M 31.07939150163618 8.8312e-06 deg
tp 2459071.015078973775
(2020-Aug-09.51507897)
3.6687e-05 TDB
period 1499.854704909102
4.11
5.8421e-06
1.599e-08
d
yr
n .2400232494665659 9.3491e-10 deg/d
Q 2.852431696194637 7.407e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2883  
   data-arc span      33434 days (91.54 yr)  
   first obs. used      1929-08-31  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:04:25  

Additional Information
 Earth MOID = 1.31308 au 
 Jupiter MOID = 2.56863 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 10.88   n/a E2021B10 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. 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]
[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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