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1071 Brita (A924 ER)
Classification: Main-belt Asteroid          SPK-ID: 2001071
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102757511665237 3.0711e-08  
a 2.800228206971548 9.494e-09 au
q 2.491430938010072 8.9129e-08 au
i 5.36113912247024 3.9355e-06 deg
node 52.48534074378592 4.1452e-05 deg
peri 29.1489646456902 4.6162e-05 deg
M 351.53157893682 2.069e-05 deg
tp 2459436.761366285783
(2021-Aug-10.26136629)
9.8398e-05 TDB
period 1711.545960545217
4.69
8.7043e-06
2.383e-08
d
yr
n .2103361570759812 1.0697e-09 deg/d
Q 3.109025475933023 1.0541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3022  
   data-arc span      40541 days (111.00 yr)  
   first obs. used      1910-03-09  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:23:23  

Additional Information
 Earth MOID = 1.50865 au 
 Jupiter MOID = 2.11382 au 
 T_jup = 3.310 
[ 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 10.4   n/a MPO347523  
diameter diameter 60.862 km 0.536 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.8169 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Angeli, C.A.; Guimaraes, T.A.; Lazzaro, D.; Duffard, R.; et al. (2001) Astron. J. 121, 2245-2252.]
[Benishek, V.; Protitch-Benishek, V. (2009) Minor Planet Bull. 36, 35-37.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xk   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)

1071 Brita (A924 ER)          Discovered 1924-Mar-03 by Albitzkij, V. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A924 ER = 1927 YB = 1947 BE = 1948 HB = 1948 JG = 1952 FJ = A910 EB = A917 SP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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