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JPL Small-Body Database Browser
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37704 (1996 EK9)
Classification: Main-belt Asteroid          SPK-ID: 2037704
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05673146319528331 4.1042e-08  
a 3.149828954448452 2.0369e-08 au
q 2.971134549047722 1.3279e-07 au
i 1.162876787590448 4.7507e-06 deg
node 65.24460539392018 0.0002219 deg
peri 189.849700866887 0.00022673 deg
M 30.08178045771844 4.6577e-05 deg
tp 2458829.880007000422
(2019-Dec-12.38000700)
0.00026445 TDB
period 2041.873737034344
5.59
1.9806e-05
5.423e-08
d
yr
n .1763086489974991 1.7102e-09 deg/d
Q 3.328523359849182 2.1524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:43  

Additional Information
 Earth MOID = 1.95629 au 
 Jupiter MOID = 1.68778 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456650.5 (2013-Dec-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05353348368588485 4.1034e-08  
q 2.976976206716539 1.3159e-07 au
tp 2456799.021567047461
(2014-May-21.52156705)
0.00028472 TDB
node 65.27123486051705 0.00022133 deg
peri 191.1192209377997 0.00022678 deg
i 1.165006668101546 4.7586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:43  

Additional Information
 Jupiter MOID = 1.68778 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.6837715673446E-15 -5.343123657816464E-15 -3.873349194838787E-12 -7.205038485830339E-15 -6.487796215648631E-13 5.602766802074971E-17
q -5.343123657816464E-15 1.731472723661778E-14 1.074887575024804E-11 2.151556569895721E-14 1.788143528460203E-12 -1.818302859734927E-16
tp -3.873349194838787E-12 1.074887575024804E-11 8.106746122372738E-8 3.499365349910191E-11 1.409742115858782E-8 4.305794933065662E-13
node -7.205038485830339E-15 2.151556569895721E-14 3.499365349910191E-11 4.898850056648353E-8 -4.897218330652686E-8 -2.873799641191157E-10
peri -6.487796215648631E-13 1.788143528460203E-12 1.409742115858782E-8 -4.897218330652686E-8 5.143002834982091E-8 2.873943071837473E-10
i 5.602766802074971E-17 -1.818302859734927E-16 4.305794933065662E-13 -2.873799641191157E-10 2.873943071837473E-10 2.264429118591263E-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 14.1   n/a MPO347793  
diameter diameter 7.475 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37704 (1996 EK9)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 EK9 = 1999 VY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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