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JPL Small-Body Database Browser
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49384 Hubertnaudot (1998 XX9)
Classification: Main-belt Asteroid          SPK-ID: 2049384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391194501543795 6.191e-08  
a 2.602756403975797 1.4097e-08 au
q 2.240662364168894 1.6491e-07 au
i 12.81828990016105 4.6626e-06 deg
node 55.86510478057601 2.6124e-05 deg
peri 80.92841412182335 3.5078e-05 deg
M 273.5908585197549 1.9313e-05 deg
tp 2458968.633976403034
(2020-Apr-29.13397640)
8.1741e-05 TDB
period 1533.729293391845
4.20
1.2461e-05
3.412e-08
d
yr
n .2347219953032646 1.907e-09 deg/d
Q 2.9648504437827 1.6058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      7665 days (20.99 yr)  
   first obs. used      1998-12-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:23  

Additional Information
 Earth MOID = 1.29701 au 
 Jupiter MOID = 2.19488 au 
 T_jup = 3.365 
[ 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 14.6   n/a MPO365827  
diameter diameter 3.558 km 0.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49384 Hubertnaudot           Discovered 1998 Dec. 12 by R. Roy at Blauvac.
Hubert Naudot (1913-1994) was an engineer who worked in the French Railways (SNCF) and was involved in the creation of the astronomical association of the SNCF. He taught astronomy to children and was a French pioneer of astronomical calculations using personal computers in the 1980s.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24

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Alternate Designations
 1998 XX9 = 2000 JF40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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