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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0524967726627058 2.1949e-08  
a 2.990329616378462 1.2443e-08 au
q 2.833346962320886 6.5238e-08 au
i 10.09774214997664 9.829e-07 deg
node 194.6221044955316 1.6366e-06 deg
peri 18.41015061419277 1.6821e-05 deg
M 198.2659118364412 1.986e-05 deg
tp 2460245.047354250357
(2023-Oct-27.54735425)
0.00010692 TDB
period 1888.761058344145
5.17
1.1789e-05
3.228e-08
d
yr
n .1906011342247853 1.1896e-09 deg/d
Q 3.147312270436038 1.3096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2869  
   data-arc span      33199 days (90.89 yr)  
   first obs. used      1930-03-23  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:06:25  

Additional Information
 Earth MOID = 1.83068 au 
 Jupiter MOID = 1.81128 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 11.54   n/a E2021B10  
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. 2020-October); 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 ]
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