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 ]  
2677 Joan (1935 FF)
Classification: Main-belt Asteroid          SPK-ID: 2002677
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05239550051570117 4.7189e-08  
a 2.994482750419782 1.5353e-08 au
q 2.837585327925904 1.4369e-07 au
i 10.09505390282274 5.471e-06 deg
node 194.7027134712452 2.0768e-05 deg
peri 20.21456780822952 4.3108e-05 deg
M 44.74165453500076 3.8451e-05 deg
tp 2458365.271093441000
(2018-Sep-03.77109344)
0.00020189 TDB
period 1892.697246924437
5.18
1.4556e-05
3.985e-08
d
yr
n .1902047464722563 1.4628e-09 deg/d
Q 3.151380172913659 1.6157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      32720 days (89.58 yr)  
   first obs. used      1930-03-23  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:18:26  

Additional Information
 Earth MOID = 1.83445 au 
 Jupiter MOID = 1.81155 au 
 T_jup = 3.229 
[ 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 11.5   n/a MPO313440  
diameter diameter 17.721 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.97 h n/a LCDB (Rev. 2019-January); 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.130   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2677 Joan (1935 FF)          Discovered 1935-Mar-25 by Laugier, M. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 FF = 1930 FO = 1951 JL = 1974 VV1 = 1977 JO = 1982 HC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 10:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin