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69230 Hermes (1937 UB)
Classification: Apollo [NEO, PHA]          SPK-ID: 2069230
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6240807466816193 1.5313e-08  
a 1.654859246498999 1.3224e-09 AU
q .6220934522909217 2.583e-08 AU
i 6.067914317980645 6.3782e-06 deg
node 34.23976610640679 7.5056e-06 deg
peri 92.72051662868722 7.4699e-06 deg
M 52.90978814842882 3.2367e-06 deg
tp 2456886.219129433733
(2014-Aug-16.71912943)
6.8542e-06 JED
period 777.570934293711
2.13
9.3206e-07
2.552e-09
d
yr
n .4629802685808952 5.5497e-10 deg/d
Q 2.687625040707076 2.1477e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      833  
   # delay obs. used      3  
   # Doppler obs. used      3  
   data-arc span      28396 days (77.74 yr)  
   first obs. used      1937-10-25  
   last obs. used      2015-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-25 06:16:21  

Additional Information
 Earth MOID = .00411953 AU 
 T_jup = 4.021 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5 mag n/a MPO236694  
rotation period rot_per 13.894 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

69230 Hermes           Discovered 1937 Oct. 28 by K. Reinmuth at Heidelberg.
Hermes was the messenger of the gods, son of Zeus and Maia. His attributes are the most complex and varied of those of any of the major gods. He was a deity of wealth, god of trade and travelers, of commerce, manual skill, oratory and eloquence, of thieves and of the wind. Named by the Astronomisches Rechen-Institut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

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