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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05252341601819003 4.7096e-08  
a 2.990674057032792 1.5088e-08 au
q 2.833593639360451 1.4284e-07 au
i 10.09709549673279 5.4509e-06 deg
node 194.6248178314454 2.0734e-05 deg
peri 18.80331915021453 4.2744e-05 deg
M 122.3568710641863 3.8122e-05 deg
tp 2458358.436600657812
(2018-Aug-27.93660066)
0.00019928 TDB
period 1889.087402716714
5.17
1.4296e-05
3.914e-08
d
yr
n .1905682074224203 1.4421e-09 deg/d
Q 3.147754474705133 1.588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2280  
   data-arc span      32947 days (90.20 yr)  
   first obs. used      1930-03-23  
   last obs. used      2020-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:48:24  

Additional Information
 Earth MOID = 1.83028 au 
 Jupiter MOID = 1.81324 au 
 T_jup = 3.231 
[ 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 16.98 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 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.]
[Ditteon, R. (2019) Minor Planet Bull. 46, 127-129.]
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 2020-Jul-02 18:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin