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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135444751352057 3.7992e-08  
a 3.116681718141692 1.455e-08 au
q 2.451131556477633 1.1937e-07 au
i 15.50722367815702 4.6586e-06 deg
node 301.1837292057048 1.4587e-05 deg
peri 72.04766177016815 1.7742e-05 deg
M 196.7680246828675 1.0622e-05 deg
tp 2460111.754828499958
(2023-Jun-16.25482850)
6.2449e-05 TDB
period 2009.727185023859
5.50
1.4073e-05
3.853e-08
d
yr
n .1791287905555829 1.2544e-09 deg/d
Q 3.782231879805751 1.7657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2157  
   data-arc span      35594 days (97.45 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:04:07  

Additional Information
 Earth MOID = 1.50105 au 
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456818.5 (2014-Jun-10.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117703641355342 3.7806e-08  
q 2.458877301761385 1.1866e-07 au
tp 2456092.204758015436
(2012-Jun-13.70475802)
5.4082e-05 TDB
node 301.2056252148575 1.4577e-05 deg
peri 72.4569534635326 1.78e-05 deg
i 15.50537380534379 4.6577e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2157  
   data-arc span      35594 days (97.45 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:04:07  

Additional Information
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.429299000134048E-15 -4.465246872433563E-15 -4.638901847168097E-13 -2.738110264424504E-16 -1.31626331255206E-13 -1.679715141872079E-15
q -4.465246872433563E-15 1.407973051800577E-14 1.480279201491976E-12 9.521115956498781E-16 4.239850135923145E-13 6.172228013539758E-15
tp -4.638901847168097E-13 1.480279201491976E-12 2.92490744749364E-9 -7.31950241248888E-12 5.660915941000078E-10 -2.307323965185058E-12
node -2.738110264424504E-16 9.521115956498781E-16 -7.31950241248888E-12 2.125026080447473E-10 -2.057732661930082E-10 1.644012045750417E-11
peri -1.31626331255206E-13 4.239850135923145E-13 5.660915941000078E-10 -2.057732661930082E-10 3.168453042925263E-10 -1.609609001189367E-11
i -1.679715141872079E-15 6.172228013539758E-15 -2.307323965185058E-12 1.644012045750417E-11 -1.609609001189367E-11 2.169413915598793E-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 11.58   n/a E2021B10  
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. 2020-October); 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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