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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135444350953501 1.9799e-08  
a 3.116681723253616 1.4251e-08 au
q 2.45113168528942 6.5368e-08 au
i 15.50722894875014 5.0997e-07 deg
node 301.1837174422768 4.3723e-06 deg
peri 72.04768527207838 5.8313e-06 deg
M 196.7680159815456 7.0998e-06 deg
tp 2460111.754879317679
(2023-Jun-16.25487932)
4.343e-05 TDB
period 2009.727189968335
5.50
1.3784e-05
3.774e-08
d
yr
n .1791287901148773 1.2286e-09 deg/d
Q 3.782231761217812 1.7295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2241  
   data-arc span      35658 days (97.63 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:05:06  

Additional Information
 Earth MOID = 1.50105 au 
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456901.5 (2014-Sep-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119419969011225 1.9813e-08  
q 2.457828784160381 6.5441e-08 au
tp 2456092.156400383638
(2012-Jun-13.65640038)
3.325e-05 TDB
node 301.2048593418674 4.3705e-06 deg
peri 72.41185628730528 5.8551e-06 deg
i 15.50517177328928 5.1003e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2241  
   data-arc span      35658 days (97.63 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:05:06  

Additional Information
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.925470884197183E-16 -1.278672569545286E-15 -1.081074987340427E-13 4.022054822372254E-15 -1.432212740458214E-14 7.857717157369662E-16
q -1.278672569545286E-15 4.282490913904901E-15 3.459664350894269E-13 -9.948701004633542E-15 5.256444326788987E-14 -2.418124854867554E-15
tp -1.081074987340427E-13 3.459664350894269E-13 1.105595402946047E-9 1.14655515922028E-11 1.277924263437035E-10 7.76783513793274E-13
node 4.022054822372254E-15 -9.948701004633542E-15 1.14655515922028E-11 1.910152531471995E-11 -1.723393744527363E-11 -9.461212137929123E-13
peri -1.432212740458214E-14 5.256444326788987E-14 1.277924263437035E-10 -1.723393744527363E-11 3.428171410672302E-11 1.060514873697086E-12
i 7.857717157369662E-16 -2.418124854867554E-15 7.76783513793274E-13 -9.461212137929123E-13 1.060514873697086E-12 2.60130674711218E-13

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 11.59   n/a MPCxxxxx  
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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