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JPL Small-Body Database Browser
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379643 (2011 ET6)
Classification: Main-belt Asteroid          SPK-ID: 2379643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748090510057817 1.1894e-07  
a 2.28834772673545 2.2505e-08 au
q 1.888323832253588 2.6837e-07 au
i 1.826422053615732 1.2132e-05 deg
node 289.930639899569 0.0003404 deg
peri 194.2662749204057 0.00034637 deg
M 261.516761007505 5.8491e-05 deg
tp 2459346.392605252711
(2021-May-11.89260525)
0.00020789 TDB
period 1264.391171176499
3.46
1.8652e-05
5.107e-08
d
yr
n .2847220134137957 4.2001e-09 deg/d
Q 2.688371621217311 2.6439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      5674 days (15.53 yr)  
   first obs. used      2002-08-12  
   last obs. used      2018-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:57:46  

Additional Information
 Earth MOID = .903945 au 
 Jupiter MOID = 2.37969 au 
 T_jup = 3.579 
[ 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 18.5   n/a MPO198587  
rotation period rot_per 2.48 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

379643 (2011 ET6)          Discovered 2003-Dec-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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