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JPL Small-Body Database Browser
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12405 Nespoli (1995 RK)
Classification: Main-belt Asteroid          SPK-ID: 2012405
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133733111067601 3.9012e-08  
a 2.372788914232607 8.9462e-09 au
q 2.103777978468642 9.2616e-08 au
i 5.196272292027388 3.5217e-06 deg
node 248.5517081265687 5.3737e-05 deg
peri 59.14387230930527 5.6693e-05 deg
M 305.4683458042813 1.8723e-05 deg
tp 2459202.724260108180
(2020-Dec-19.22426011)
6.9663e-05 TDB
period 1335.017884798742
3.66
7.5502e-06
2.067e-08
d
yr
n .2696593087621977 1.5251e-09 deg/d
Q 2.641799849996572 9.9604e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1330  
   data-arc span      8901 days (24.37 yr)  
   first obs. used      1995-09-15  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:20:08  

Additional Information
 Earth MOID = 1.09449 au 
 Jupiter MOID = 2.55931 au 
 T_jup = 3.529 
[ 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 14.9   n/a MPO467811  
diameter diameter 2.392 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.218 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 0.338   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

12405 Nespoli           Discovered 1995 Sept. 15 by F. Manca and V. Giuliani at Sormano.
Paolo Angelo Nespoli (b. 1957) joined the European Space Agency's European Astronaut Center in 1991 and its European Astronaut Corps in 1998. The second Italian Mission Specialist, he made his first flight aboard the Space Shuttle Discovery in 2007 for the construction of the International Space Station.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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