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JPL Small-Body Database Browser
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305660 Romyhaag (2009 BJ73)
Classification: Main-belt Asteroid          SPK-ID: 2305660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584811043702909 7.2932e-08  
a 2.540019657194447 3.2595e-08 au
q 2.137474536800023 1.8468e-07 au
i 15.65477114419667 8.1672e-06 deg
node 119.420641863785 7.4469e-05 deg
peri 165.7982341490645 0.00011573 deg
M 123.1564968188077 8.8457e-05 deg
tp 2458494.665007576419
(2019-Jan-11.16500758)
0.00036784 TDB
period 1478.611376388872
4.05
2.8462e-05
7.792e-08
d
yr
n .2434716827887577 4.6866e-09 deg/d
Q 2.942564777588871 3.7761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      7352 days (20.13 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:49:04  

Additional Information
 Earth MOID = 1.12409 au 
 Jupiter MOID = 2.26718 au 
 T_jup = 3.377 
[ 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 17.0   n/a MPO503303  
diameter diameter 2.012 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305660 Romyhaag           Discovered 2009 Jan. 29 by F. Hormuth at Calar Alto.
Romy Haag (b. 1951) is a singer, actress and show star who started her career at the famous "Alcazar" in Paris. In the 1970s she opened the legendary cabaret "Chez Romy Haag" in Berlin, where celebrities such as Freddie Mercury, Mick Jagger and David Bowie were regular guests.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

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