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450 Brigitta (A899 VB)
Classification: Main-belt Asteroid          SPK-ID: 2000450
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09721668614228322 4.1002e-08  
a 3.016917504098951 1.2082e-08 au
q 2.723622781985803 1.2401e-07 au
i 10.13236246275885 4.6741e-06 deg
node 14.37245772823728 2.1395e-05 deg
peri 358.8196737539957 2.9343e-05 deg
M 26.18223009671053 1.964e-05 deg
tp 2458861.297282519446
(2020-Jan-12.79728252)
0.00010447 TDB
period 1914.007252548575
5.24
1.1498e-05
3.148e-08
d
yr
n .1880870615932338 1.1299e-09 deg/d
Q 3.310212226212099 1.3257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2711  
   data-arc span      43944 days (120.31 yr)  
   first obs. used      1899-10-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:27:32  

Additional Information
 Earth MOID = 1.72414 au 
 Jupiter MOID = 2.15333 au 
 T_jup = 3.217 
[ 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 10.2   n/a MPO502157  
diameter diameter 37.038 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.7657 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) 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]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Schmidt, R.E. (2017) Minor Planet Bull. 44, 191-192.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.094   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.785   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.98, mean=9.98, max.=9.99) deg.
U-B UB 0.475   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.98, mean=9.98, max.=9.99) deg.
Tholen spectral type spec_T CSU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

450 Brigitta (A899 VB)          Discovered 1899-Oct-10 by Wolf, M. and Schwassmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A899 VB = A907 GF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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