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
JPL Small-Body Database Browser
Search: [ help ]  
1726 Hoffmeister (1933 OE)
Classification: Main-belt Asteroid          SPK-ID: 2001726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04280292293556376 3.1537e-08  
a 2.786790719075165 9.8644e-09 au
q 2.667507930689046 9.0027e-08 au
i 3.483659277577415 3.4981e-06 deg
node 230.9559764305194 6.2009e-05 deg
peri 69.56884530555928 7.7291e-05 deg
M 253.2507541974712 4.7201e-05 deg
tp 2459504.368576608951
(2021-Oct-16.86857661)
0.00022327 TDB
period 1699.240928734743
4.65
9.0222e-06
2.47e-08
d
yr
n .2118593037116029 1.1249e-09 deg/d
Q 2.906073507461284 1.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3076  
   data-arc span      34995 days (95.81 yr)  
   first obs. used      1924-10-22  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:16:05  

Additional Information
 Earth MOID = 1.65439 au 
 Jupiter MOID = 2.1794 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO365265  
diameter diameter 25.250 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.706 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.037   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Cb   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)

1726 Hoffmeister (1933 OE)          Discovered 1933-Jul-24 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1933 OE = 1955 FC = 1955 HX = 1957 WD = A924 UA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 17:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin