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48624 Sadayuki (1995 PM)
Classification: Main-belt Asteroid          SPK-ID: 2048624
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678708819551998 3.0651e-08  
a 2.187939136830429 7.4628e-09 au
q 1.820647864266407 6.7515e-08 au
i 5.277739448463536 3.5148e-06 deg
node 273.5811058066727 4.9007e-05 deg
peri 26.51594524949349 5.2861e-05 deg
M 250.5697672632197 2.2947e-05 deg
tp 2459359.823899548219
(2021-May-25.32389955)		 7.6427e-05 TDB
period 1182.092010610163
3.24		 6.048e-06
1.656e-08		 d
yr
n .3045448211888158 1.5582e-09 deg/d
Q 2.555230409394452 8.7156e-09 au
   Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9575 days (26.21 yr)  
   first obs. used      1994-02-04  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:47:21  

Additional Information
 Earth MOID = .806699 au 
 Jupiter MOID = 2.64754 au 
 T_jup = 3.651 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168311385408538 3.067e-08  
q 1.819683349362929 6.7591e-08 au
tp 2456995.212961342906
(2014-Dec-03.71296134)		 6.9719e-05 TDB
node 273.6472884338397 4.9022e-05 deg
peri 26.4219814226483 5.2857e-05 deg
i 5.277057834044448 3.5141e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9575 days (26.21 yr)  
   first obs. used      1994-02-04  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:47:21  

Additional Information
 Jupiter MOID = 2.64754 au 
 T_jup = 3.651 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.406447671180104E-16 -2.06429357700495E-15 3.204398524317814E-13 -5.67352039331532E-15 9.597639916641455E-14 9.45934662255472E-16
q -2.06429357700495E-15 4.568522681742962E-15 -4.953900972270338E-13 9.555305922532182E-15 -1.505368704430939E-13 -1.888787924718614E-15
tp 3.204398524317814E-13 -4.953900972270338E-13 4.860766382339895E-9 -4.803803181197645E-11 1.400787376270414E-9 2.49895615931726E-12
node -5.67352039331532E-15 9.555305922532182E-15 -4.803803181197645E-11 2.40318546261885E-9 -2.406292268320893E-9 -2.064734351731149E-11
peri 9.597639916641455E-14 -1.505368704430939E-13 1.400787376270414E-9 -2.406292268320893E-9 2.79383673388671E-9 2.126280566525016E-11
i 9.45934662255472E-16 -1.888787924718614E-15 2.49895615931726E-12 -2.064734351731149E-11 2.126280566525016E-11 1.234882069278946E-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 15.86   n/a E2021B10  
diameter diameter 3.864 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48624 Sadayuki           Discovered 1995 Aug. 4 by T. Okuni at Nanyo.
Sadayuki Okuni (b. 1967), nephew of the discoverer, is a high-school teacher with an interest in astronomy. He has been responsible for the maintenance of the personal computer of the Nanyo Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1995 PM = 2001 GU10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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