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 ]  
16682 Donati (1994 FB)
Classification: Main-belt Asteroid          SPK-ID: 2016682
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05131438784490978 2.898e-08  
a 2.243622636339718 6.3446e-09 au
q 2.128492514200963 6.594e-08 au
i 2.284133509428802 4.3232e-06 deg
node 193.3747828169153 8.2305e-05 deg
peri 260.1670011179823 9.3873e-05 deg
M 59.65358311617273 4.4354e-05 deg
tp 2458997.097081277782
(2020-May-27.59708128)
0.00015118 TDB
period 1227.504651269578
3.36
5.2068e-06
1.426e-08
d
yr
n .2932779111082478 1.244e-09 deg/d
Q 2.358752758478474 6.6702e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      13524 days (37.03 yr)  
   first obs. used      1984-03-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:38:40  

Additional Information
 Earth MOID = 1.14633 au 
 Jupiter MOID = 2.70766 au 
 T_jup = 3.630 
[ 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 15.09   n/a E2021B10  
diameter diameter 2.188 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.669 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.307   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16682 Donati           Discovered 1994 Mar. 18 by M. Cavagna and V. Giuliani at Sormano.
The Tuscan astronomer Giovanni Battista Donati (1826-1873) made important contributions to the early development of stellar spectroscopy, being also the first to observe a cometary spectrum. He was director of the Florence Observatory and discoverer of six comets, among them the spectacular naked-eye comet C/1858 L1.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

[ 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 2021-Apr-16 12:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin