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17652 Nepoti (1996 VQ1)
Classification: Main-belt Asteroid          SPK-ID: 2017652
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06437884812548074 4.1828e-08  
a 2.660278320073085 1.5807e-08 au
q 2.489012666133591 1.1181e-07 au
i 11.43000399317769 5.2367e-06 deg
node 312.6539798728993 2.5049e-05 deg
peri 293.6997594416771 5.138e-05 deg
M 307.4900097643626 4.5655e-05 deg
tp 2459231.668404951941
(2021-Jan-17.16840495)
0.00020094 TDB
period 1584.853194777756
4.34
1.4125e-05
3.867e-08
d
yr
n .2271503765687791 2.0245e-09 deg/d
Q 2.831543974012579 1.6824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-09-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:32:03  

Additional Information
 Earth MOID = 1.49914 au 
 Jupiter MOID = 2.31341 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456573.5 (2013-Oct-08.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06617783292492931 4.1861e-08  
q 2.483704559781483 1.1213e-07 au
tp 2456058.437172099549
(2012-May-10.93717210)
0.00019742 TDB
node 312.7025220872775 2.5029e-05 deg
peri 293.0527949826123 5.0226e-05 deg
i 11.43696889112073 5.2378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-09-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:32:03  

Additional Information
 Jupiter MOID = 2.31341 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.75230477999151E-15 -4.653308509203272E-15 -9.947082719833972E-13 5.509456973612387E-15 -2.288857043682468E-13 -1.877383614401055E-16
q -4.653308509203272E-15 1.257235697572945E-14 2.188146666465845E-12 -1.514959223962603E-14 5.205755918348599E-13 1.1410835096868E-15
tp -9.947082719833972E-13 2.188146666465845E-12 3.897451679944637E-8 4.728483022052225E-11 8.622306803345434E-9 7.649117590004981E-12
node 5.509456973612387E-15 -1.514959223962603E-14 4.728483022052225E-11 6.264519804660054E-10 -6.031341197499527E-10 1.903328459533709E-11
peri -2.288857043682468E-13 5.205755918348599E-13 8.622306803345434E-9 -6.031341197499527E-10 2.522694284723856E-9 -1.696862027580583E-11
i -1.877383614401055E-16 1.1410835096868E-15 7.649117590004981E-12 1.903328459533709E-11 -1.696862027580583E-11 2.743505212579602E-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 13.8   n/a MPO384905  
diameter diameter 9.974 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.004 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 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17652 Nepoti           Discovered 1996 Nov. 3 by V. Goretti at Pianoro.
Giuliano Nepoti (b. 1949), an enthusiastic amateur astronomer, is a dear friend of the discoverer. He is a very able mechanic who collaborated with the team of the Titus Lucretius Carus Observatory in Bologna on the construction of the telescope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1996 VQ1 = 1991 RU35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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