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2004 Lexell (1973 SV2)
Classification: Main-belt Asteroid          SPK-ID: 2002004
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07894632269087357 1.3378e-08  
a 2.172659504705428 4.7011e-09 au
q 2.001136026349559 2.8315e-08 au
i 2.496920172319655 5.8916e-07 deg
node 4.499771029683305 1.5996e-05 deg
peri 58.19239043977944 1.9218e-05 deg
M 286.0576887919118 9.5779e-06 deg
tp 2459636.757222424918
(2022-Feb-26.25722242)
3.1332e-05 TDB
period 1169.730816630322
3.20
3.7965e-06
1.039e-08
d
yr
n .3077631151387997 9.9889e-10 deg/d
Q 2.344182983061296 5.0723e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2807  
   data-arc span      30217 days (82.73 yr)  
   first obs. used      1938-11-16  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:15:48  

Additional Information
 Earth MOID = 1.01485 au 
 Jupiter MOID = 2.84484 au 
 T_jup = 3.682 
[ 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 12.88   n/a E2021B10  
diameter diameter 7.255 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.4429 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
[Vander Haagen, G.A. (2010) Minor Planet Bull. 37, 137-138.]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.306   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2004 Lexell (1973 SV2)          Discovered 1973-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 SV2 = 1938 WL = 1941 SN1 = 1959 GC = 1972 HK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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