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46568 Stevenlee (1991 SL)
Classification: Inner Main-belt Asteroid          SPK-ID: 2046568
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09908363997951054 7.8437e-08  
a 1.963182045813264 1.149e-08 AU
q 1.768662822771664 1.5574e-07 AU
i 19.14183927525157 1.0984e-05 deg
node 12.89841237226452 1.9954e-05 deg
peri 24.95514884390371 5.4062e-05 deg
M 117.7172241288158 4.908e-05 deg
tp 2456671.968664593969
(2014-Jan-14.46866459)
0.00013632 JED
period 1004.70667416307
2.75
8.8201e-06
2.415e-08
d
yr
n .3583135349428064 3.1456e-09 deg/d
Q 2.157701268854865 1.2628e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      11568 days (31.67 yr)  
   first obs. used      1982-05-25  
   last obs. used      2014-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49548  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:49:50  

Additional Information
 Earth MOID = .780846 AU 
 T_jup = 3.805 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO272852  

46568 Stevenlee           Discovered 1991 Sept. 30 by R. H. McNaught at Siding Spring Observatory.
Steven (Steve) Lee (b. 1956) has been a night assistant at the Anglo-Australian Telescope for the past two decades. He is also an active amateur astronomer and telescope maker, writing technical articles on these topics and encouraging interest in the amateur community. He visually discovered comet C/1999 H1 (Lee).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

Alternate Designations
 1991 SL = 2000 XU13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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