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20798 Verlinden (2000 SH172)
Classification: Main-belt Asteroid          SPK-ID: 2020798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360562223654326 3.2617e-08  
a 2.337447665735539 8.837e-09 au
q 2.019423366358663 7.978e-08 au
i 7.443264633756271 3.8348e-06 deg
node 50.39580025032555 2.5006e-05 deg
peri 263.0488059691814 2.9109e-05 deg
M 44.21225651088292 1.4775e-05 deg
tp 2459236.193382253772
(2021-Jan-21.69338225)
5.3543e-05 TDB
period 1305.302803860206
3.57
7.4023e-06
2.027e-08
d
yr
n .2757980745428283 1.564e-09 deg/d
Q 2.655471965112415 1.0039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      8704 days (23.83 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:27:33  

Additional Information
 Earth MOID = 1.02136 au 
 Jupiter MOID = 2.60593 au 
 T_jup = 3.543 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135573007491158 3.2646e-08  
q 2.021666160813217 7.9732e-08 au
tp 2457930.470720540755
(2017-Jun-25.97072054)
5.4168e-05 TDB
node 50.47210935149801 2.5015e-05 deg
peri 262.9269580611237 2.9123e-05 deg
i 7.441104129087651 3.8328e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      8704 days (23.83 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:27:33  

Additional Information
 Jupiter MOID = 2.60593 au 
 T_jup = 3.543 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.065751854138905E-15 -2.593189827150817E-15 2.186594666172786E-13 -3.178522245899589E-15 1.080922454416069E-13 -6.548904331276395E-17
q -2.593189827150817E-15 6.35716091254664E-15 -5.556697281933563E-13 7.701116450362189E-15 -2.740710338519573E-13 1.552555092940646E-16
tp 2.186594666172786E-13 -5.556697281933563E-13 2.934201677384139E-9 -3.002018469281328E-13 8.12102243217354E-10 -1.822488829226558E-13
node -3.178522245899589E-15 7.701116450362189E-15 -3.002018469281328E-13 6.25755632295087E-10 -6.203419220933377E-10 -1.637813300734201E-11
peri 1.080922454416069E-13 -2.740710338519573E-13 8.12102243217354E-10 -6.203419220933377E-10 8.481613597728084E-10 1.618514355459231E-11
i -6.548904331276395E-17 1.552555092940646E-16 -1.822488829226558E-13 -1.637813300734201E-11 1.618514355459231E-11 1.469037052884719E-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 14.66   n/a E2021B10  
diameter diameter 2.922 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.986 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.394   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20798 Verlinden           Discovered 2000 Sept. 27 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Christopher Verlinden (b. 1986) was awarded first place and Best in Category in the 2004 Intel ISE Fair for his engineering team project. He also received the Achievement Award and the EU Contest for Young Scientists Award. He attends the School of Science and Technology, Beaverton, Oregon, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 SH172 = 1998 FC82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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