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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0876384872259094 3.1526e-08  
a 2.199790429348891 7.6805e-09 au
q 2.00700412390672 7.1239e-08 au
i 2.32760030875731 3.6856e-06 deg
node 66.91501528016731 8.3143e-05 deg
peri 242.9971084873479 8.5767e-05 deg
M 22.41839642126702 2.244e-05 deg
tp 2458926.288291007197
(2020-Mar-17.78829101)
7.4165e-05 TDB
period 1191.709466430217
3.26
6.2412e-06
1.709e-08
d
yr
n .302087052373919 1.5821e-09 deg/d
Q 2.392576734791061 8.3536e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1993-04-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:22:18  

Additional Information
 Earth MOID = .993683 au 
 Jupiter MOID = 2.77456 au 
 T_jup = 3.660 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456613.5 (2013-Nov-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08795373859600476 3.1551e-08  
q 2.006305991467876 7.1306e-08 au
tp 2456541.949136453685
(2013-Sep-06.44913645)
7.1198e-05 TDB
node 66.96692187584512 8.3068e-05 deg
peri 242.8016962539483 8.5675e-05 deg
i 2.328807278701845 3.6871e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1993-04-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:22:18  

Additional Information
 Jupiter MOID = 2.77456 au 
 T_jup = 3.660 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.954867633977992E-16 -2.239627928157412E-15 -2.995304894008109E-13 3.249656303850547E-15 -7.984000503582092E-14 -1.559786601820391E-16
q -2.239627928157412E-15 5.084567017684761E-15 7.295267244272017E-13 -7.340882420001201E-15 1.964136744126605E-13 4.004590675010636E-16
tp -2.995304894008109E-13 7.295267244272017E-13 5.069210210268048E-9 1.480822029043774E-11 1.502564609570365E-9 6.229606730458087E-13
node 3.249656303850547E-15 -7.340882420001201E-15 1.480822029043774E-11 6.900326931245935E-9 -6.889799369401112E-9 -1.235235051715424E-11
peri -7.984000503582092E-14 1.964136744126605E-13 1.502564609570365E-9 -6.889799369401112E-9 7.340138144231786E-9 1.252596697704317E-11
i -1.559786601820391E-16 4.004590675010636E-16 6.229606730458087E-13 -1.235235051715424E-11 1.252596697704317E-11 1.359451807953553E-11

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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