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9059 Dumas (1992 PJ)
Classification: Main-belt Asteroid          SPK-ID: 2009059
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07905708773839377 3.6897e-08  
a 2.166398495490336 5.7744e-09 au
q 1.995129339556032 7.9632e-08 au
i 2.894494497812735 3.7194e-06 deg
node 270.1371021507056 6.5805e-05 deg
peri 337.2590550608252 6.8412e-05 deg
M 198.3401346076077 1.8569e-05 deg
tp 2459123.504778706161
(2020-Oct-01.00477871)
6.0263e-05 TDB
period 1164.678195649906
3.19
4.6566e-06
1.275e-08
d
yr
n .3090982567928261 1.2358e-09 deg/d
Q 2.33766765142464 6.2309e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1956  
   data-arc span      14476 days (39.63 yr)  
   first obs. used      1979-06-22  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:59:32  

Additional Information
 Earth MOID = .981359 au 
 Jupiter MOID = 2.67176 au 
 T_jup = 3.687 
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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 14.5   n/a MPO347597  
diameter diameter 3.171 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9059 Dumas           Discovered 1992 Aug. 8 by E. W. Elst at Caussols.
Alexandre Dumas (1802-1870), the grandson of a French marquis and the son of a French general in Napoleon's army, is a very well known writer. Who has not heard of or read his novels Le Comte de Monte Cristo and Les trois Mousquetaires?
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1992 PJ = 1979 MO 
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