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1354 Botha (1935 GK)
Classification: Main-belt Asteroid          SPK-ID: 2001354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .216461957467123 2.5633e-08  
a 3.124401515718297 1.0568e-08 au
q 2.448087447712668 8.093e-08 au
i 5.952645273343139 4.0526e-06 deg
node 28.68205364747894 2.8234e-05 deg
peri 250.0795470939605 2.9766e-05 deg
M 74.32453477812692 1.0019e-05 deg
tp 2458584.035118477609
(2019-Apr-10.53511848)
5.5439e-05 TDB
period 2017.198732499608
5.52
1.0234e-05
2.802e-08
d
yr
n .1784653114241781 9.0543e-10 deg/d
Q 3.800715583723926 1.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3460  
   data-arc span      32544 days (89.10 yr)  
   first obs. used      1931-10-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:00:04  

Additional Information
 Earth MOID = 1.43987 au 
 Jupiter MOID = 1.4063 au 
 T_jup = 3.170 
[ 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 11.0   n/a MPO263356  
diameter diameter 41.732 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.014   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1354 Botha (1935 GK)          Discovered 1935-Apr-03 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 GK = 1925 RF = 1930 KG = 1931 TP = 1935 JK = 1953 TO1 = 1953 TY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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