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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2576894474472656 1.493e-08  
a 2.336830426362106 6.321e-09 au
q 1.734653885014897 3.4507e-08 au
i 22.3368502386821 9.3666e-07 deg
node 10.33611407222253 1.7739e-06 deg
peri 105.5024793388479 2.5993e-06 deg
M 306.6047110851201 3.3576e-06 deg
tp 2459590.026153567876
(2022-Jan-10.52615357)
1.2892e-05 TDB
period 1304.785809764959
3.57
5.2941e-06
1.449e-08
d
yr
n .2759073537631817 1.1195e-09 deg/d
Q 2.939006967709316 7.9499e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2741  
   data-arc span      38627 days (105.75 yr)  
   first obs. used      1915-04-12  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .30262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:50:39  

Additional Information
 Earth MOID = .871907 au 
 Jupiter MOID = 2.38857 au 
 T_jup = 3.425 
[ 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 12.04   n/a E2021B10  
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. 2020-October); 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]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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