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998 Bodea (A923 PC)
Classification: Main-belt Asteroid          SPK-ID: 2000998
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132717450180749 3.8059e-08  
a 3.117384522328716 1.4572e-08 au
q 2.452534485359332 1.1959e-07 au
i 15.50722189121754 4.6791e-06 deg
node 301.1840663587298 1.4587e-05 deg
peri 72.05470521706788 1.7779e-05 deg
M 160.9381348550012 1.0544e-05 deg
tp 2458101.746794753357
(2017-Dec-14.24679475)
5.6458e-05 TDB
period 2010.407006271683
5.50
1.4097e-05
3.86e-08
d
yr
n .1790682179662829 1.2556e-09 deg/d
Q 3.782234559298099 1.768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      35379 days (96.86 yr)  
   first obs. used      1923-08-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:24:28  

Additional Information
 Earth MOID = 1.50386 au 
 Jupiter MOID = 1.96685 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117300886496028 3.7877e-08  
q 2.459129896761559 1.1886e-07 au
tp 2456092.217410751432
(2012-Jun-13.71741075)
5.4256e-05 TDB
node 301.2055679052302 1.4579e-05 deg
peri 72.46852604241053 1.783e-05 deg
i 15.50535312217858 4.6782e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      35379 days (96.86 yr)  
   first obs. used      1923-08-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:24:28  

Additional Information
 Jupiter MOID = 1.96685 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.43465269884061E-15 -4.481385838157058E-15 -4.728606570201452E-13 -2.690486808379734E-16 -1.337989153856484E-13 -1.686947198799323E-15
q -4.481385838157058E-15 1.412854868961531E-14 1.505819266462545E-12 9.344359028920984E-16 4.301725834170321E-13 6.207028982235731E-15
tp -4.728606570201452E-13 1.505819266462545E-12 2.943660833541861E-9 -7.337902949932052E-12 5.704453305013392E-10 -2.335128319004808E-12
node -2.690486808379734E-16 9.344359028920984E-16 -7.337902949932052E-12 2.125573406353805E-10 -2.058299307928473E-10 1.651821384488535E-11
peri -1.337989153856484E-13 4.301725834170321E-13 5.704453305013392E-10 -2.058299307928473E-10 3.179094203230642E-10 -1.61754817550578E-11
i -1.686947198799323E-15 6.207028982235731E-15 -2.335128319004808E-12 1.651821384488535E-11 -1.61754817550578E-11 2.188562129940821E-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 11.5   n/a MPO256869  
diameter diameter 31.761 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.574 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
geometric albedo albedo 0.030   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

998 Bodea (A923 PC)          Discovered 1923-Aug-06 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A923 PC = 1967 PA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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