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5629 Kuwana (1993 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2005629
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07819757148532852 3.2053e-08  
a 3.048779656003414 1.5133e-08 au
q 2.810372490910072 9.6033e-08 au
i 10.07666809788448 4.3291e-06 deg
node 145.5758755158341 2.1913e-05 deg
peri 282.1805218295023 3.6913e-05 deg
M 119.479006903393 3.0061e-05 deg
tp 2458355.177827892106
(2018-Aug-24.67782789)
0.00016188 TDB
period 1944.40837750422
5.32
1.4477e-05
3.964e-08
d
yr
n .185146291368115 1.3785e-09 deg/d
Q 3.287186821096757 1.6316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2448  
   data-arc span      31512 days (86.28 yr)  
   first obs. used      1934-03-05  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:22:13  

Additional Information
 Earth MOID = 1.84677 au 
 Jupiter MOID = 1.94482 au 
 T_jup = 3.209 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456725.5 (2014-Mar-09.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07880023995736177 3.1728e-08  
q 2.811210222002193 9.5422e-08 au
tp 2456418.765142710095
(2013-May-06.26514271)
0.00016122 TDB
node 145.5903098548052 2.1921e-05 deg
peri 283.9125274332494 3.6882e-05 deg
i 10.07230593048503 4.3263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2448  
   data-arc span      31512 days (86.28 yr)  
   first obs. used      1934-03-05  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:22:13  

Additional Information
 Jupiter MOID = 1.94482 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.00665193976783E-15 -2.996249727085195E-15 -1.366157803705944E-12 -1.484928083174718E-16 -2.698754196230472E-13 1.000769726492167E-15
q -2.996249727085195E-15 9.105382240647253E-15 4.125873937710153E-12 -1.167745296573068E-15 8.196953743121583E-13 -2.987154911231919E-15
tp -1.366157803705944E-12 4.125873937710153E-12 2.599295656671293E-8 -1.06353113487333E-11 4.802738998197497E-9 -5.789354270659789E-12
node -1.484928083174718E-16 -1.167745296573068E-15 -1.06353113487333E-11 4.805355494485119E-10 -4.747612405995578E-10 3.6807358349686E-11
peri -2.698754196230472E-13 8.196953743121583E-13 4.802738998197497E-9 -4.747612405995578E-10 1.360312112296507E-9 -3.732408091998824E-11
i 1.000769726492167E-15 -2.987154911231919E-15 -5.789354270659789E-12 3.6807358349686E-11 -3.732408091998824E-11 1.871723692199487E-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 11.8   n/a MPO337301  
diameter diameter 14.176 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.197 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 0.193   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5629 Kuwana (1993 DA1)          Discovered 1993-Feb-20 by Hioki and Hayakawa at Okutama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1993 DA1 = 1934 EJ = 1975 VF5 = 1979 OA13 = 1980 TQ13 = 1989 LG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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