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JPL Small-Body Database Browser
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2732 Witt (1926 FG)
Classification: Main-belt Asteroid          SPK-ID: 2002732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02311436451084438 3.7946e-08  
a 2.761508474741486 1.3299e-08 au
q 2.697677961256526 1.0598e-07 au
i 6.493175696965821 4.2765e-06 deg
node 144.9659423250685 3.7695e-05 deg
peri 279.1807962719479 0.0001051 deg
M 211.8223151239726 9.9599e-05 deg
tp 2459290.419311981928
(2021-Mar-16.91931198)
0.00046476 TDB
period 1676.169745270977
4.59
1.2108e-05
3.315e-08
d
yr
n .2147753835884926 1.5515e-09 deg/d
Q 2.825338988226447 1.3606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2328  
   data-arc span      34229 days (93.71 yr)  
   first obs. used      1926-03-18  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:20:00  

Additional Information
 Earth MOID = 1.7197 au 
 Jupiter MOID = 2.23302 au 
 T_jup = 3.332 
[ 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 11.9   n/a MPO492782  
diameter diameter 11.001 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.54 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:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.305   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B A   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)

2732 Witt (1926 FG)          Discovered 1926-Mar-19 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1926 FG = 1935 DF = 1965 UP1 = 1969 RD = 1978 PQ1 = 1979 YL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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