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15258 Alfilipenko (1990 RN17)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649419930026108 4.6418e-08  
a 3.238464564895634 1.8066e-08 au
q 2.704305765293415 1.4445e-07 au
i 6.735764645528784 3.9567e-06 deg
node 293.8843336206144 4.1554e-05 deg
peri 32.66912953248157 4.3375e-05 deg
M 142.4875115185893 1.3629e-05 deg
tp 2458553.977608244458
(2019-Mar-11.47760824)
7.8492e-05 TDB
period 2128.664174140094
5.83
1.7812e-05
4.877e-08
d
yr
n .1691201479187892 1.4151e-09 deg/d
Q 3.772623364497853 2.1045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1943  
   data-arc span      11189 days (30.63 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:26:01  

Additional Information
 Earth MOID = 1.69473 au 
 Jupiter MOID = 1.57512 au 
 T_jup = 3.152 
[ 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 13.12   n/a E2021B10  
diameter diameter 12.059 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.366 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.084   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15258 Alfilipenko           Discovered 1990 Sept. 15 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Aleksandr Vasil'evich Filipenko (b. 1950), a civil engineer at Khanty-Mansijsk in Siberia, is the chairman of a charitable fund for the memory of Prince Menshikov (1673-1729), Russian statesman and military leader during reign of Peter the Great.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

[ show close-approach data ]
Alternate Designations
 1990 RN17 = 1998 BJ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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