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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08751001597372711 2.5469e-08  
a 2.199632520020355 5.9156e-09 au
q 2.007142643057044 5.5132e-08 au
i 2.327589091681958 3.2849e-06 deg
node 66.91384862083714 7.5839e-05 deg
peri 243.0086435650957 7.8575e-05 deg
M 82.84151624760756 2.0629e-05 deg
tp 2458926.298918762622
(2020-Mar-17.79891876)
6.8166e-05 TDB
period 1191.581150572035
3.26
4.8069e-06
1.316e-08
d
yr
n .3021195827302044 1.2188e-09 deg/d
Q 2.392122396983666 6.4333e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      10127 days (27.73 yr)  
   first obs. used      1993-04-21  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:26:26  

Additional Information
 Earth MOID = .991831 au 
 Jupiter MOID = 2.77383 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 15.43   n/a E2021B10  
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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