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56678 Alicewessen (2000 LR1)
Classification: Main-belt Asteroid          SPK-ID: 2056678
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136428356260761 8.7063e-08  
a 3.069217473320769 4.2685e-08 AU
q 2.720422896499496 2.6475e-07 AU
i 8.765527961355998 8.3861e-06 deg
node 296.6036512972223 5.4303e-05 deg
peri 81.11855426561706 7.014e-05 deg
M 169.2121954929331 4.471e-05 deg
tp 2456077.356790351621
(2012-May-29.85679035)
0.00023435 JED
period 1963.99292914615
5.38
4.0972e-05
1.122e-07
d
yr
n .1833000489245706 3.8239e-09 deg/d
Q 3.418012050142042 4.7536e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1990-10-12  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54955  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:31:10  

Additional Information
 Earth MOID = 1.73942 AU 
 T_jup = 3.204 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO290854  

56678 Alicewessen           Discovered 2000 June 3 by G. Hug at Farpoint Observatory.
Alice Wessen (b. 1957) has worked for over twenty years at NASA's Jet Propulsion Laboratory as Outreach Manager for planetary missions. She is a Co-Investigator for the Planetary Science Education and Public Outreach Forum, and is a recipient of NASA's Exceptional Service Medal.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

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