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20809 Eshinjolly (2000 SW259)
Classification: Main-belt Asteroid          SPK-ID: 2020809
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483565730646501 3.0023e-08  
a 2.392794533005226 8.6847e-09 au
q 2.037807736040741 7.3386e-08 au
i 6.730139181527909 3.4785e-06 deg
node 147.1018767379498 2.9313e-05 deg
peri 357.6672679740729 3.1568e-05 deg
M 10.84159125127965 1.1983e-05 deg
tp 2458959.785691104737
(2020-Apr-20.28569110)		 4.4957e-05 TDB
period 1351.93726295157
3.70		 7.3603e-06
2.015e-08		 d
yr
n .266284545788791 1.4497e-09 deg/d
Q 2.747781329969711 9.9731e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      11187 days (30.63 yr)  
   first obs. used      1989-11-03  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:32  

Additional Information
 Earth MOID = 1.05 au 
 Jupiter MOID = 2.25965 au 
 T_jup = 3.507 
[ show covariance matrix ]

[ 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 14.3   n/a MPO452464  
diameter diameter 3.429 km 0.812 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.304 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.314   0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20809 Eshinjolly           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Eshin Jolly (b. 1988) was awarded second place in the 2004 Intel International Science and Engineering Fair for his engineering team project. He attends the Manhasset High School, Manhasset, New York, 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: 20041226/MPCPages.arcLast Updated: 2004-12-25

[ show close-approach data ]
Alternate Designations
 2000 SW259 = 1989 VV3 = 1989 XB2 = 1996 TX39 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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