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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07936296670491078 1.3608e-08  
a 2.172587722149599 4.7193e-09 au
q 2.000164715093143 2.8687e-08 au
i 2.496398294535104 5.891e-07 deg
node 4.5183699996828 1.6025e-05 deg
peri 58.12650306626336 1.9229e-05 deg
M 225.8296313803617 9.5792e-06 deg
tp 2459636.431769557327
(2022-Feb-25.93176956)
3.1536e-05 TDB
period 1169.672846957263
3.20
3.8111e-06
1.043e-08
d
yr
n .3077783680594866 1.0028e-09 deg/d
Q 2.345010729206056 5.0938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      29889 days (81.83 yr)  
   first obs. used      1938-11-16  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:13:33  

Additional Information
 Earth MOID = 1.01356 au 
 Jupiter MOID = 2.84532 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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