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35977 Lexington (1999 NA)
Classification: Main-belt Asteroid          SPK-ID: 2035977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774686148157589 1.789e-08  
a 2.632550484864019 1.0947e-08 au
q 2.165355396882647 5.0141e-08 au
i 12.6711214230385 6.6922e-07 deg
node 88.90717542795026 4.8057e-06 deg
peri 303.6242881180674 6.6607e-06 deg
M 280.1298083838907 7.9864e-06 deg
tp 2459546.635158811607
(2021-Nov-28.13515881)
3.5581e-05 TDB
period 1560.139704823818
4.27
9.731e-06
2.664e-08
d
yr
n .2307485662257751 1.4392e-09 deg/d
Q 3.099745572845392 1.2889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1679  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:12:40  

Additional Information
 Earth MOID = 1.20028 au 
 Jupiter MOID = 2.37304 au 
 T_jup = 3.342 
[ 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 13.59   n/a E2021B10  
diameter diameter 5.798 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35977 Lexington           Discovered 1999 July 3 by J. Ticha and M. Tichy at Klet.
Lexington is a town some 15 km northwest of Boston, Massachusetts. As the site, on 1775 Apr. 19, of the first battle between the British rulers and the colonists, it became the "Birthplace of American Liberty".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

Alternate Designations
 1999 NA = 1998 HT106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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