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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02355445470150109 3.6651e-08  
a 2.759035984885633 1.0684e-08 au
q 2.694048396759833 1.0386e-07 au
i 6.496902419389913 3.6167e-06 deg
node 144.9485670311149 3.5787e-05 deg
peri 281.2369927523171 8.8975e-05 deg
M 295.7643878318697 8.0786e-05 deg
tp 2459299.181167784737
(2021-Mar-25.68116778)
0.00037538 TDB
period 1673.919135713514
4.58
9.723e-06
2.662e-08
d
yr
n .2150641523352612 1.2492e-09 deg/d
Q 2.824023573011433 1.0936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2674  
   data-arc span      34557 days (94.61 yr)  
   first obs. used      1926-03-18  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:35  

Additional Information
 Earth MOID = 1.71701 au 
 Jupiter MOID = 2.23225 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02430070431987921 3.7307e-08  
q 2.693113383398506 1.0557e-07 au
tp 2457595.433851999230
(2016-Jul-25.93385200)
0.00035781 TDB
node 145.095306947076 3.5819e-05 deg
peri 275.0255274823551 8.5227e-05 deg
i 6.493297969123293 3.6165e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2674  
   data-arc span      34557 days (94.61 yr)  
   first obs. used      1926-03-18  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:35  

Additional Information
 Jupiter MOID = 2.23225 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.391818158682123E-15 -3.920112879693525E-15 -2.565462256160873E-12 7.212188306472375E-15 -5.3460198642932E-13 9.959531754153101E-17
q -3.920112879693525E-15 1.114448543165341E-14 6.476052967630688E-12 -1.922339859770222E-14 1.332991950124224E-12 -4.933581852160133E-17
tp -2.565462256160873E-12 6.476052967630688E-12 1.280245138254688E-7 -2.281102913828054E-11 2.76902018950189E-8 4.824233126577573E-12
node 7.212188306472375E-15 -1.922339859770222E-14 -2.281102913828054E-11 1.283001230927963E-9 -1.279338033094024E-9 2.975339658486847E-11
peri -5.3460198642932E-13 1.332991950124224E-12 2.76902018950189E-8 -1.279338033094024E-9 7.263606706145351E-9 -2.852584954507536E-11
i 9.959531754153101E-17 -4.933581852160133E-17 4.824233126577573E-12 2.975339658486847E-11 -2.852584954507536E-11 1.30793161967033E-11

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 12.622 h n/a LCDB (Rev. 2019-August); 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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