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JPL Small-Body Database Browser
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357546 Edwardhalbach (2004 RA339)
Classification: Main-belt Asteroid          SPK-ID: 2357546
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09496637097315008 4.3947e-08  
a 3.046655132087781 3.6152e-08 au
q 2.757325350586681 1.3841e-07 au
i 9.977469428771196 1.0815e-05 deg
node 185.6099282660516 3.2619e-05 deg
peri 104.4929658375167 7.0099e-05 deg
M 313.7332277505334 6.02e-05 deg
tp 2458850.131895122506
(2020-Jan-01.63189512)
0.00032457 TDB
period 1942.376307548406
5.32
3.4573e-05
9.466e-08
d
yr
n .185339987211015 3.2989e-09 deg/d
Q 3.33598491358888 3.9586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5930 days (16.24 yr)  
   first obs. used      2003-04-05  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:54  

Additional Information
 Earth MOID = 1.76283 au 
 Jupiter MOID = 1.87655 au 
 T_jup = 3.208 
[ 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 15.8   n/a MPO437509  

357546 Edwardhalbach           Discovered 2004 Sept. 15 by W. R. Cooney Jr. and J. Gross at Sonoita.
Edward A. Halbach (1909-2011) was a prominent amateur astronomer who made contributions to the study of variable stars, lunar occultations, solar astronomy and aurorae. He mentored and encouraged generations of astronomers, both amateur and professional.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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