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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135444351086905 1.9799e-08  
a 3.116681723357876 1.4258e-08 au
q 2.451131685329838 6.5368e-08 au
i 15.50722894835665 5.0999e-07 deg
node 301.1837174461928 4.3723e-06 deg
peri 72.04768527099895 5.8313e-06 deg
M 196.7680159595499 7.1007e-06 deg
tp 2460111.754879486197
(2023-Jun-16.25487949)
4.3438e-05 TDB
period 2009.72719006918
5.50
1.3791e-05
3.776e-08
d
yr
n .1791287901058889 1.2292e-09 deg/d
Q 3.782231761385914 1.7303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2226  
   data-arc span      35642 days (97.58 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:46:33  

Additional Information
 Earth MOID = 1.50105 au 
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456894.5 (2014-Aug-25.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119291366516239 1.9814e-08  
q 2.457906379067251 6.5449e-08 au
tp 2456092.160754945505
(2012-Jun-13.66075495)
3.3252e-05 TDB
node 301.2049342590123 4.3705e-06 deg
peri 72.41519850984656 5.8552e-06 deg
i 15.50518966780445 5.1005e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2226  
   data-arc span      35642 days (97.58 yr)  
   first obs. used      1923-08-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:46:33  

Additional Information
 Jupiter MOID = 1.9676 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.925936129681545E-16 -1.278887214139199E-15 -1.08101914735719E-13 4.02288761639411E-15 -1.432770213381719E-14 7.858557787852742E-16
q -1.278887214139199E-15 4.283528772934279E-15 3.459811229624319E-13 -9.943014655851508E-15 5.258401387689004E-14 -2.41866811653356E-15
tp -1.08101914735719E-13 3.459811229624319E-13 1.10572367138809E-9 1.146461673378785E-11 1.27812281106098E-10 7.76834636559505E-13
node 4.02288761639411E-15 -9.943014655851508E-15 1.146461673378785E-11 1.910157920465388E-11 -1.723361641717347E-11 -9.462010542018747E-13
peri -1.432770213381719E-14 5.258401387689004E-14 1.27812281106098E-10 -1.723361641717347E-11 3.428382177694412E-11 1.060574627508975E-12
i 7.858557787852742E-16 -2.41866811653356E-15 7.76834636559505E-13 -9.462010542018747E-13 1.060574627508975E-12 2.601545062910218E-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 11.58   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1920-Mar-14 03:42 00:02 Jupiter 1.95361278229564 1.95361242416878 1.95361314043415 4.81603607564748 4.72515280098338 2422397.654262677 1.82118705260025 259.740067029436 6.56356003550359 -86.9082682229811 17800836.5320841 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 11:47:26 2021-Apr-12 11:47
2075-Mar-03 04:16 00:01 Jupiter 1.98460791302753 1.98460765137065 1.98460817468463 3.95265397648234 3.84316037489086 2478999.677800743 1.27477653221701 88.3657593062538 13.4416635433733 83.7135772148403 11978693.735325 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 11:47:26 2021-Apr-12 11:47
2157-Nov-05 04:54 00:03 Jupiter 1.98492156922849 1.98492139489229 1.98492174356492 4.3781738605921 4.27959687902972 2509196.703996666 2.90080263615059 287.070128663996 8.76558348121254 88.360343572456 19007627.7734368 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 11:47:26 2021-Apr-12 11:47

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