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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124951676191482 1.8354e-08  
a 2.56464062624071 6.6581e-09 au
q 2.276130949108884 4.8231e-08 au
i 14.82465297438937 7.8032e-07 deg
node 344.5870339406211 2.1697e-06 deg
peri 57.31495250359406 8.4019e-06 deg
M 78.07667904756616 8.8265e-06 deg
tp 2459071.145337285635
(2020-Aug-09.64533729)
3.6507e-05 TDB
period 1500.162148364613
4.11
5.8419e-06
1.599e-08
d
yr
n .2399740590658486 9.3451e-10 deg/d
Q 2.853150303372536 7.4072e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2987  
   data-arc span      33515 days (91.76 yr)  
   first obs. used      1929-08-31  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:02:19  

Additional Information
 Earth MOID = 1.31363 au 
 Jupiter MOID = 2.56804 au 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1929 QF = 1954 UQ1 = 1958 TG1 = 1972 GC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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