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13613 (1994 UA3)
Classification: Main-belt Asteroid          SPK-ID: 2013613
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 .1787783863450181 3.4048e-08  
a 2.669113126764362 1.2406e-08 au
q 2.191933388989124 9.0823e-08 au
i 1.192428498972678 3.7246e-06 deg
node 241.4430548374518 0.00019756 deg
peri 201.2269373798676 0.00019785 deg
M 279.0418085989293 1.1778e-05 deg
tp 2459358.684835673298
(2021-May-24.18483567)
5.3188e-05 TDB
period 1592.754712164702
4.36
1.1105e-05
3.04e-08
d
yr
n .226023503337012 1.5758e-09 deg/d
Q 3.1462928645396 1.4624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      13761 days (37.68 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:41:50  

Additional Information
 Earth MOID = 1.20796 au 
 Jupiter MOID = 2.08797 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456498.5 (2013-Jul-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782961608885561 3.3676e-08  
q 2.19354719168547 8.9639e-08 au
tp 2456164.183484448827
(2012-Aug-24.68348445)
4.7457e-05 TDB
node 241.5518989148854 0.00019794 deg
peri 199.9163364990291 0.00019824 deg
i 1.188994796402509 3.7259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      13761 days (37.68 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:41:50  

Additional Information
 Jupiter MOID = 2.08797 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.134080404879813E-15 -2.999508501331338E-15 1.87879374134722E-13 4.197403080064051E-15 3.971162944055821E-14 -2.177881538661935E-18
q -2.999508501331338E-15 8.03521561116475E-15 -4.636917162871049E-13 -1.157915814730799E-14 -9.396343343419772E-14 2.183055057325663E-17
tp 1.87879374134722E-13 -4.636917162871049E-13 2.252175022709734E-9 -5.413975398776615E-12 5.356807378756496E-10 1.485590044410136E-14
node 4.197403080064051E-15 -1.157915814730799E-14 -5.413975398776615E-12 3.918091098988854E-8 -3.917338003771333E-8 6.274161836197833E-11
peri 3.971162944055821E-14 -9.396343343419772E-14 5.356807378756496E-10 -3.917338003771333E-8 3.929874447537071E-8 -6.272695242911373E-11
i -2.177881538661935E-18 2.183055057325663E-17 1.485590044410136E-14 6.274161836197833E-11 -6.272695242911373E-11 1.388234343557601E-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 14.5   n/a MPO435830  
diameter diameter 6.437 km 2.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.059   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

13613 (1994 UA3)          Discovered 1994-Oct-26 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UA3 = 1981 UO7 = 1998 QG51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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