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4443 Paulet (1985 RD4)
Classification: Main-belt Asteroid          SPK-ID: 2004443
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172922365809344 4.1418e-08  
a 2.235287459350706 1.0097e-08 au
q 1.973105593842148 9.5989e-08 au
i 3.616374686329109 5.7008e-06 deg
node 346.9591007416603 6.4605e-05 deg
peri 84.90986466571034 6.9376e-05 deg
M 17.61249484436702 2.6387e-05 deg
tp 2457540.780401744061
(2016-Jun-01.28040174)
8.931e-05 JED
period 1220.670641048562
3.34
8.2711e-06
2.265e-08
d
yr
n .2949198480687291 1.9983e-09 deg/d
Q 2.497469324859265 1.1282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      15755 days (43.13 yr)  
   first obs. used      1972-12-02  
   last obs. used      2016-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48317  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:07:08  

Additional Information
 Earth MOID = .989896 au 
 Jupiter MOID = 2.73376 au 
 T_jup = 3.627 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO347558  

4443 Paulet           Discovered 1985 Sept. 10 by H. Debehogne at the European Southern Observatory.
Peruvian scientist Pedro Paulet (1874-1945) built a liquid-fuel rocket engine in 1895 and a prototype of rocketry propulsion in 1900. The National Air & Space Museum in Washington, D.C., has a small plaque honoring Paulet's memory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

Alternate Designations
 1985 RD4 = 1972 XO = 1977 FY2 = 1978 NE6 = 1980 DF6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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