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215809 Hugoschwarz (2004 RN287)
Classification: Main-belt Asteroid          SPK-ID: 2215809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940627710231797 1.03e-07  
a 2.450411042741045 2.9996e-08 au
q 1.974877485640918 2.558e-07 au
i 1.526727744411778 9.0468e-06 deg
node 323.7244290120451 0.00054291 deg
peri 42.31230139887941 0.00054409 deg
M 288.0883093125974 4.1658e-05 deg
tp 2458880.368381934476
(2020-Jan-31.86838193)
0.00016547 TDB
period 1401.060335716194
3.84
2.5726e-05
7.043e-08
d
yr
n .2569482489959828 4.7181e-09 deg/d
Q 2.925944599841171 3.5818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1998-01-23  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:22:14  

Additional Information
 Earth MOID = .972721 au 
 Jupiter MOID = 2.53474 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO248457  

215809 Hugoschwarz           Discovered 2004 Sept. 14 by P. De Cat at Uccle.
Hugo Schwarz (1953-2006) was a Dutch astronomer who specialized in the late stages of stellar evolution and stellar polarimetry. At the time of his death he was a staff astronomer at Cerro Tololo Inter-American Observatory and President of IAU Commission 50. Name suggested by H. Van Winckel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

Alternate Designations
 2004 RN287 = 1998 BY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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