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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2571711743052161 3.6509e-08  
a 2.338337805623116 7.5092e-09 au
q 1.736984726228737 8.5344e-08 au
i 22.32253617096136 6.9858e-06 deg
node 10.37002095780884 1.112e-05 deg
peri 105.3483531148347 1.7767e-05 deg
M 197.5084868004335 1.3976e-05 deg
tp 2459590.004990596848
(2022-Jan-10.50499060)
5.1907e-05 TDB
period 1306.048497155797
3.58
6.2912e-06
1.722e-08
d
yr
n .2756406065961393 1.3278e-09 deg/d
Q 2.939690885017495 9.4403e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      38468 days (105.32 yr)  
   first obs. used      1915-04-12  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .30289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:13:48  

Additional Information
 Earth MOID = .873866 au 
 Jupiter MOID = 2.38979 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456399.5 (2013-Apr-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .257198308163309 3.637e-08  
q 1.736555798494484 8.4932e-08 au
tp 2456977.931808720194
(2014-Nov-16.43180872)
4.7243e-05 TDB
node 10.51667940757663 1.1116e-05 deg
peri 105.069822724023 1.7789e-05 deg
i 22.32612595337131 6.9864e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      38468 days (105.32 yr)  
   first obs. used      1915-04-12  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .30289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:13:48  

Additional Information
 Jupiter MOID = 2.38979 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.322757299815915E-15 -3.082452791004274E-15 3.344329840353168E-13 7.81208938494613E-16 1.182792380323113E-13 1.159350589203924E-15
q -3.082452791004274E-15 7.21338022643094E-15 -7.114017369499349E-13 -3.277098499951965E-15 -2.620202133749069E-13 -3.054447966877152E-15
tp 3.344329840353168E-13 -7.114017369499349E-13 2.231899125315858E-9 -1.43880942549599E-11 6.640073194279678E-10 1.108121790085294E-11
node 7.81208938494613E-16 -3.277098499951965E-15 -1.43880942549599E-11 1.235746217289141E-10 -1.171145106964095E-10 6.82842020705539E-12
peri 1.182792380323113E-13 -2.620202133749069E-13 6.640073194279678E-10 -1.171145106964095E-10 3.164398517897445E-10 -3.196284678068521E-12
i 1.159350589203924E-15 -3.054447966877152E-15 1.108121790085294E-11 6.82842020705539E-12 -3.196284678068521E-12 4.881006126215492E-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 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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