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15899 Silvain (1997 RR1)
Classification: Main-belt Asteroid          SPK-ID: 2015899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08763848037059413 3.0643e-08  
a 2.199790435642718 7.3462e-09 au
q 2.007004144729223 6.896e-08 au
i 2.327601171687261 3.6195e-06 deg
node 66.91498361923342 8.246e-05 deg
peri 242.9971664974432 8.5056e-05 deg
M 22.41836890855428 2.2059e-05 deg
tp 2458926.288381764151
(2020-Mar-17.78838176)
7.2917e-05 TDB
period 1191.709471544622
3.26
5.9696e-06
1.634e-08
d
yr
n .3020870510774658 1.5132e-09 deg/d
Q 2.392576726556213 7.9901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      9962 days (27.27 yr)  
   first obs. used      1993-04-21  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:47  

Additional Information
 Earth MOID = .993683 au 
 Jupiter MOID = 2.77456 au 
 T_jup = 3.660 
[ 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 15.4   n/a MPO365443  
diameter diameter 2.544 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15899 Silvain           Discovered 1997 Sept. 3 by P. Antonini at Bedoin.
Jacques Silvain (1926-1987) was an enthusiastic amateur astronomer who devoted much time to visual and photographic observations. He was an active member of the Société Astronomique de France and built several telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1997 RR1 = 1993 HO8 = 1996 FQ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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