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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164960442667101 4.7572e-08  
a 3.237050438191819 1.803e-08 au
q 2.703065164971963 1.4856e-07 au
i 6.736534212605928 4.0382e-06 deg
node 293.882730561223 4.4697e-05 deg
peri 32.50835459491658 4.6536e-05 deg
M 75.68296317479252 1.3783e-05 deg
tp 2458553.283052311386
(2019-Mar-10.78305231)
8.0484e-05 TDB
period 2127.270054108085
5.82
1.7773e-05
4.866e-08
d
yr
n .1692309818891047 1.4139e-09 deg/d
Q 3.771035711411674 2.1004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1791  
   data-arc span      10733 days (29.39 yr)  
   first obs. used      1990-09-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:14:36  

Additional Information
 Earth MOID = 1.69414 au 
 Jupiter MOID = 1.57651 au 
 T_jup = 3.153 
[ 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 13.1   n/a MPO365435  
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. 2019-August); 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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