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13923 Peterhof (1985 UA5)
Classification: Main-belt Asteroid          SPK-ID: 2013923
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065265575354508 9.1847e-08  
a 2.667264347826693 2.2899e-08 AU
q 2.116403424033007 2.4795e-07 AU
i 15.46442456941998 9.8176e-06 deg
node 58.92475706625002 2.9381e-05 deg
peri 337.3808173268949 3.4543e-05 deg
M 204.3040136347304 1.903e-05 deg
tp 2457488.633075965156
(2016-Apr-10.13307597)
8.7906e-05 JED
period 1591.100150560565
4.36
2.049e-05
5.61e-08
d
yr
n .226258541848021 2.9138e-09 deg/d
Q 3.218125271620379 2.7629e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      10387 days (28.44 yr)  
   first obs. used      1985-10-22  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52176  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:04:45  

Additional Information
 Earth MOID = 1.13137 AU 
 T_jup = 3.301 
[ 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 12.6 mag n/a MPO263473  

13923 Peterhof           Discovered 1985 Oct. 22 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Peterhof, celebrating its 300th anniversary in 2005, was founded near St. Petersburg as a royal seaside summer residence. It later acquired worldwide fame for its fundamental unity of architecture, gardens and engineering arts. Nowadays, the town of Peterhof is a developing scientific and educational center.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1985 UA5 = 1998 VO16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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