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6984 Lewiscarroll (1994 AO)
Classification: Outer Main-belt Asteroid          SPK-ID: 2006984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871298108785622 1.8421e-08  
a 3.973041674054271 2.8967e-08 au
q 3.22956713697585 7.3952e-08 au
i 16.79595882117101 6.5908e-07 deg
node 206.1980261955352 6.2081e-06 deg
peri 248.0714774867068 9.2726e-06 deg
M 142.9944496000155 7.5109e-06 deg
tp 2458051.553550880672
(2017-Oct-25.05355088)
5.9116e-05 TDB
period 2892.564871153666
7.92
3.1634e-05
8.661e-08
d
yr
n .1244570186100677 1.3611e-09 deg/d
Q 4.716516211132693 3.4388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2527  
   data-arc span      24608 days (67.37 yr)  
   first obs. used      1953-10-18  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:17:47  

Additional Information
 Earth MOID = 2.29482 au 
 Jupiter MOID = 1.09286 au 
 T_jup = 2.953 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.79   n/a E2021B10  
diameter diameter 48.053 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 24.65 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]
geometric albedo albedo 0.044   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

6984 Lewiscarroll           Discovered 1994 Jan. 4 by H. Shiozawa and T. Urata at Fujieda.
Named after English fairy-tale author and mathematician Lewis Carroll (Charles Lutwidge Dodgson, 1832-1898). His great works Alice in Wonderland and Through the Looking Glass were loved not only by children, but by all generations throughout the world for over a century. Name and citation proposed by T. Urata.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1994 AO = 1953 UQ = 1969 VZ2 = 1972 HK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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