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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06696377984333324 4.0132e-08  
a 2.287998026228268 7.5294e-09 au
q 2.134785030117938 9.31e-08 au
i 7.782340842087345 3.939e-06 deg
node 58.65980270737563 2.8912e-05 deg
peri 158.9504979462089 4.3269e-05 deg
M 147.6002331111272 3.4631e-05 deg
tp 2458482.217628023580
(2018-Dec-29.71762802)
0.00012059 TDB
period 1264.101349833473
3.46
6.2399e-06
1.708e-08
d
yr
n .2847872918159804 1.4058e-09 deg/d
Q 2.441211022338599 8.0336e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2029  
   data-arc span      13372 days (36.61 yr)  
   first obs. used      1984-04-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:31:13  

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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