Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
37720 Kawanishi (1996 SH7)
Classification: Main-belt Asteroid          SPK-ID: 2037720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181279037946491 3.786e-08  
a 2.381836280100781 8.2492e-09 au
q 1.862291325140353 8.9241e-08 au
i 2.84075470697088 3.804e-06 deg
node 33.85621673371615 7.5402e-05 deg
peri 294.9689156207054 7.5812e-05 deg
M 190.8999077899356 8.9842e-06 deg
tp 2459631.177924503464
(2022-Feb-20.67792450)
3.4784e-05 TDB
period 1342.660727465493
3.68
6.9752e-06
1.91e-08
d
yr
n .2681243240647717 1.3929e-09 deg/d
Q 2.901381235061208 1.0049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1453  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1996-09-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:27:56  

Additional Information
 Earth MOID = .853403 au 
 Jupiter MOID = 2.45617 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457154.5 (2015-May-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193006544934084 3.8023e-08  
q 1.858843810219917 8.9733e-08 au
tp 2456944.644513844905
(2014-Oct-14.14451384)
3.1051e-05 TDB
node 33.88106507949161 7.5425e-05 deg
peri 294.7169503358652 7.5827e-05 deg
i 2.842137016835887 3.8034e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1453  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1996-09-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:27:56  

Additional Information
 Jupiter MOID = 2.45617 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.445762553020137E-15 -3.403531221070319E-15 3.554703996784102E-13 7.017879949180685E-16 6.104903463667299E-14 6.006804913785557E-17
q -3.403531221070319E-15 8.052042408284766E-15 -8.393266482723554E-13 -2.349139314932063E-15 -1.434359411278771E-13 -1.084954744878974E-16
tp 3.554703996784102E-13 -8.393266482723554E-13 9.641785004369902E-10 -4.347144287109011E-12 2.554630166161811E-10 -1.27243591042662E-13
node 7.017879949180685E-16 -2.349139314932063E-15 -4.347144287109011E-12 5.688892653671225E-9 -5.682518126935978E-9 -5.325077312455073E-11
peri 6.104903463667299E-14 -1.434359411278771E-13 2.554630166161811E-10 -5.682518126935978E-9 5.749665110558607E-9 5.315891979564083E-11
i 6.006804913785557E-17 -1.084954744878974E-16 -1.27243591042662E-13 -5.325077312455073E-11 5.315891979564083E-11 1.446590221126291E-11

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 14.8   n/a MPO351095  
diameter diameter 3.736 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37720 Kawanishi           Discovered 1996 Sept. 23 by T. Okuni at Nanyo.
Kawanishi is situated in the southern part of Yamagata, Japan. It has a population of 17000 and is famous for its Dahlia Park and old burial mounds.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 1996 SH7 = 1999 JO47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 16:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin