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20585 Wentworth (1999 RG160)
Classification: Main-belt Asteroid          SPK-ID: 2020585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0429710124593639 3.9599e-08  
a 2.218634867514065 5.8499e-09 au
q 2.123297880979339 8.9337e-08 au
i 5.962064314990213 3.2333e-06 deg
node 104.491951712132 3.8552e-05 deg
peri 93.04756152525169 5.3845e-05 deg
M 301.8007675378011 3.7363e-05 deg
tp 2459395.638038057154
(2021-Jun-30.13803806)
0.00012533 TDB
period 1207.055329229704
3.30
4.774e-06
1.307e-08
d
yr
n .2982464774251384 1.1796e-09 deg/d
Q 2.313971854048791 6.1012e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1835  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1994-01-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:24:32  

Additional Information
 Earth MOID = 1.129 au 
 Jupiter MOID = 2.65421 au 
 T_jup = 3.643 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.71   n/a E2021B10  
diameter diameter 5.299 km 1.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.083   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

20585 Wentworth           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sandra Wentworth mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Presbyterian Christian School, Hattiesburg, Mississippi.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RG160 = 1994 AN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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