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17927 Ghoshal (1999 GL20)
Classification: Main-belt Asteroid          SPK-ID: 2017927
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05577868163208213 3.6829e-08  
a 2.236897692724642 6.6582e-09 au
q 2.112126488478615 8.1147e-08 au
i 4.64201934689047 2.859e-06 deg
node 81.18346788734657 4.8722e-05 deg
peri 82.69358471879592 5.6655e-05 deg
M 209.7813482973041 3.0593e-05 deg
tp 2459710.404644824022
(2022-May-10.90464482)
0.0001048 TDB
period 1221.989879791696
3.35
5.4559e-06
1.494e-08
d
yr
n .2946014577971519 1.3153e-09 deg/d
Q 2.361668896970669 7.0295e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1783  
   data-arc span      11106 days (30.41 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:51  

Additional Information
 Earth MOID = 1.12498 au 
 Jupiter MOID = 2.61006 au 
 T_jup = 3.631 
[ 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 14.96   n/a E2021B10  
diameter diameter 2.248 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17927 Ghoshal           Discovered 1999 Apr. 15 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Shivani Ghoshal (b. 1986) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Mira Loma High School, Sacramento, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 GL20 = 1990 RA14 = 1992 DO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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