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3755 Lecointe (1950 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2003755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188123324380445 3.4327e-08  
a 2.246095090512976 6.7594e-09 au
q 1.754621784880191 7.8351e-08 au
i 7.80451416393904 3.9692e-06 deg
node 225.8142580759466 2.1769e-05 deg
peri 121.4442099490345 2.3201e-05 deg
M 263.3826952057857 9.2267e-06 deg
tp 2459330.484128921913
(2021-Apr-25.98412892)
3.2173e-05 TDB
period 1229.534260605895
3.37
5.5502e-06
1.52e-08
d
yr
n .2927937931738459 1.3217e-09 deg/d
Q 2.737568396145761 8.2384e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2763  
   data-arc span      25521 days (69.87 yr)  
   first obs. used      1950-09-19  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:07:24  

Additional Information
 Earth MOID = .763939 au 
 Jupiter MOID = 2.74066 au 
 T_jup = 3.587 
[ 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 13.4   n/a MPO458867  
diameter diameter 4.820 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 27.920 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A. (2014) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.338   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3755 Lecointe (1950 SJ)          Discovered 1950-Sep-19 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 SJ = 1950 TG1 = 1977 VJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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