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JPL Small-Body Database Browser
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11713 Stubbs (1998 HG51)
Classification: Main-belt Asteroid          SPK-ID: 2011713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228773727322697 4.6577e-08  
a 2.535401073190552 1.2548e-08 au
q 2.22385765049432 1.2075e-07 au
i 11.24397004996232 4.3275e-06 deg
node 213.8256425992204 2.3005e-05 deg
peri 214.8972438722882 2.7433e-05 deg
M 220.6721582004071 1.5812e-05 deg
tp 2459171.194701881819
(2020-Nov-17.69470188)
6.4983e-05 TDB
period 1474.580313767949
4.04
1.0947e-05
2.997e-08
d
yr
n .2441372617271034 1.8124e-09 deg/d
Q 2.846944495886785 1.409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1480  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1989-02-05  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48044  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:38:40  

Additional Information
 Earth MOID = 1.2456 au 
 Jupiter MOID = 2.50589 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456633.5 (2013-Dec-07.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235504171102964 4.6358e-08  
q 2.220843609186954 1.2019e-07 au
tp 2456219.083017754810
(2012-Oct-18.58301775)
6.6308e-05 TDB
node 213.8759344426186 2.297e-05 deg
peri 214.0300636828358 2.7411e-05 deg
i 11.25374399555889 4.3297e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1480  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1989-02-05  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48044  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:38:40  

Additional Information
 Jupiter MOID = 2.50589 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.149054056838318E-15 -5.550439709374816E-15 7.054059920262809E-13 2.135558669851836E-14 1.227996772804373E-13 -2.364198364664732E-15
q -5.550439709374816E-15 1.444680022892876E-14 -1.948944810019291E-12 -5.607701033706723E-14 -3.383039589299531E-13 6.447325068097691E-15
tp 7.054059920262809E-13 -1.948944810019291E-12 4.39673370427983E-9 1.776991941244661E-11 1.014310150984143E-9 4.574730163008084E-12
node 2.135558669851836E-14 -5.607701033706723E-14 1.776991941244661E-11 5.276066740026189E-10 -5.131973886066686E-10 2.949297932771538E-11
peri 1.227996772804373E-13 -3.383039589299531E-13 1.014310150984143E-9 -5.131973886066686E-10 7.513595116470166E-10 -2.778399933455857E-11
i -2.364198364664732E-15 6.447325068097691E-15 4.574730163008084E-12 2.949297932771538E-11 -2.778399933455857E-11 1.874612522707787E-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 13.7   n/a MPO449027  
diameter diameter 11.195 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11713 Stubbs           Discovered 1998 Apr. 25 by LONEOS at the Anderson Mesa Station of the Lowell Observatory.
Christopher Stubbs (b. 1958), of the University of Washington, has pursued a variety of projects in experimental physics and observational astrophysics, including searching for dark matter, measuring the rate of expansion of the universe with supernovae and testing the equivalence principle.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 HG51 = 1989 CU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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