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7470 Jabberwock (1991 JA)
Classification: Main-belt Asteroid          SPK-ID: 2007470
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06696378070558119 4.0168e-08  
a 2.28799802689717 7.6474e-09 au
q 2.134785028769226 9.3138e-08 au
i 7.782340846851759 3.9391e-06 deg
node 58.6598072772218 3.0392e-05 deg
peri 158.9504898895131 4.4764e-05 deg
M 147.6002360925294 3.5093e-05 deg
tp 2458482.217617327425
(2018-Dec-29.71761733)
0.0001223 TDB
period 1264.101350387817
3.46
6.3377e-06
1.735e-08
d
yr
n .2847872916910931 1.4278e-09 deg/d
Q 2.441211025025115 8.1595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1988  
   data-arc span      13355 days (36.56 yr)  
   first obs. used      1984-04-07  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:27:55  

Additional Information
 Earth MOID = 1.12791 au 
 Jupiter MOID = 2.52925 au 
 T_jup = 3.585 
[ 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 14.2   n/a MPO384823  

7470 Jabberwock           Discovered 1991 May 2 by T. Urata at the Nihondaira Observatory.
The Jabberwock is a mythical creature that is the subject of the classic nonsense poem `Jabberwocky' in Lewis Carroll's delightful tale Through the Looking Glass and what Alice found there. The citation was prepared by D. J. Asher.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1991 JA = 1984 GT = 1984 HQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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