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5505 Rundetaarn (1986 VD1)
Classification: Main-belt Asteroid          SPK-ID: 2005505
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455297841584357 7.2954e-08  
a 2.871951168273984 2.8429e-08 AU
q 2.453996734641504 2.0763e-07 AU
i 11.02191995908705 9.7738e-06 deg
node 315.699785366758 3.1859e-05 deg
peri 57.18510385406569 4.3543e-05 deg
M 166.7578672869471 2.9903e-05 deg
tp 2455577.029898836516
(2011-Jan-15.52989884)		 0.00014533 JED
period 1777.722642067266
4.87		 2.6397e-05
7.227e-08		 d
yr
n .2025062804968078 3.0069e-09 deg/d
Q 3.289905601906465 3.2567e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      15229 days (41.69 yr)  
   first obs. used      1971-07-28  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .51107  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:17:10  

Additional Information
 Earth MOID = 1.4725 AU 
 T_jup = 3.255 
[ 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 11.6 mag n/a PDS3 (MPC 28113)  

5505 Rundetaarn           Discovered 1986 Nov. 6 by P. Jensen at Brorfelde.
The "Rundetaarn", or Round Tower, is the astronomical observatory built in the heart of Copenhagen from 1637 to 1642 by king Christian IV. Its unique interior spiral staircase makes it possible to stroll all the way to the top.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

Alternate Designations
 1986 VD1 = 1971 OH1 = 1973 AF 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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