Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
338 Budrosa (A892 SF)
Classification: Main-belt Asteroid          SPK-ID: 2000338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02154029802440025 4.0002e-08  
a 2.913340000188462 9.4074e-09 au
q 2.850585788337996 1.1599e-07 au
i 6.050120211823107 4.3375e-06 deg
node 287.4193563822395 4.0806e-05 deg
peri 109.1378052349183 0.00010842 deg
M 221.5936403610754 0.00010051 deg
tp 2459698.794674156749
(2022-Apr-29.29467416)
0.00050772 TDB
period 1816.289969277766
4.97
8.7974e-06
2.409e-08
d
yr
n .1982062369386709 9.6003e-10 deg/d
Q 2.976094212038928 9.61e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      46599 days (127.58 yr)  
   first obs. used      1892-09-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:03:49  

Additional Information
 Earth MOID = 1.86443 au 
 Jupiter MOID = 2.14732 au 
 T_jup = 3.274 
[ show covariance matrix ]

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 8.5   n/a MPO337243  
diameter diameter 50.506 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.6084 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Gil Hutton, R.; Licandro, J. (1991) Minor Planet Bull. 18, 37-38.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.276   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.704   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=9; phase (min.=4.82, mean=7.50, max.=13.71) deg.
U-B UB 0.247   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=9; phase (min.=4.82, mean=7.50, max.=13.71) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

338 Budrosa (A892 SF)          Discovered 1892-Sep-25 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-28 18:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin