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359681 (2011 SJ142)
Classification: Main-belt Asteroid          SPK-ID: 2359681
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431147607236483 1.1474e-07  
a 2.543899651518474 1.9956e-08 au
q 2.179830061586435 2.9742e-07 au
i 6.025546950890474 1.0155e-05 deg
node 14.95898112458983 3.6415e-05 deg
peri 350.6982736563753 4.3296e-05 deg
M 58.0882636882844 1.8956e-05 deg
tp 2458761.369878204953
(2019-Oct-04.86987821)
7.7409e-05 TDB
period 1482.000637997712
4.06
1.7438e-05
4.774e-08
d
yr
n .2429148751827702 2.8583e-09 deg/d
Q 2.907969241450512 2.2812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:17:39  

Additional Information
 Earth MOID = 1.17854 au 
 Jupiter MOID = 2.55 au 
 T_jup = 3.422 
[ 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 17.4   n/a MPO494870  

359681 (2011 SJ142)          Discovered 2007-Sep-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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