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290 Bruna (A890 FA)
Classification: Main-belt Asteroid          SPK-ID: 2000290
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25717117319747 3.6521e-08  
a 2.338337805118143 7.5979e-09 au
q 1.736984728443914 8.5382e-08 au
i 22.32254063749231 7.6795e-06 deg
node 10.37002417758865 1.1362e-05 deg
peri 105.3483513781383 1.8924e-05 deg
M 197.5084860801859 1.4581e-05 deg
tp 2459590.004993018885
(2022-Jan-10.50499302)
5.3937e-05 TDB
period 1306.048496732729
3.58
6.3656e-06
1.743e-08
d
yr
n .2756406066854276 1.3435e-09 deg/d
Q 2.939690881792373 9.5519e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2394  
   data-arc span      38418 days (105.18 yr)  
   first obs. used      1915-04-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .30464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:10:59  

Additional Information
 Earth MOID = .873866 au 
 Jupiter MOID = 2.38979 au 
 T_jup = 3.424 
[ 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 12.0   n/a MPO435697  
diameter diameter 9.822 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.807 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2009) Minor Planet Bull. 36, 25-27.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.314   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

290 Bruna (A890 FA)          Discovered 1890-Mar-20 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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