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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456655.5 (2013-Dec-29.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06712260575982869 4.0201e-08  
q 2.134645918530227 9.3255e-08 au
tp 2457217.755956018273
(2015-Jul-14.25595602)
0.00011989 TDB
node 58.72583067609823 3.0357e-05 deg
peri 159.0765880453905 4.4637e-05 deg
i 7.787078223348162 3.9411e-06 deg
  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
 Jupiter MOID = 2.52925 au 
 T_jup = 3.585 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.616087990488462E-15 -3.738087815588939E-15 -1.400811018974392E-12 4.323139282809953E-15 -3.499159575309852E-13 -5.928569218412234E-16
q -3.738087815588939E-15 8.696414387775643E-15 3.462524633957107E-12 -9.700231713333265E-15 8.649478702642674E-13 1.523473156025719E-15
tp -1.400811018974392E-12 3.462524633957107E-12 1.437268043006174E-8 -4.995871769225651E-12 3.937934312014257E-9 3.295783829602E-12
node 4.323139282809953E-15 -9.700231713333265E-15 -4.995871769225651E-12 9.215206105712403E-10 -9.1371526334256E-10 -1.581191663488638E-11
peri -3.499159575309852E-13 8.649478702642674E-13 3.937934312014257E-9 -9.1371526334256E-10 1.992418507467038E-9 1.656572884754339E-11
i -5.928569218412234E-16 1.523473156025719E-15 3.295783829602E-12 -1.581191663488638E-11 1.656572884754339E-11 1.553260019732129E-11

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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