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90227 (2003 BM19)
Classification: Main-belt Asteroid          SPK-ID: 2090227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532491477098682 3.71e-08  
a 3.090604879700676 1.7695e-08 au
q 2.616972315978587 1.1682e-07 au
i 12.89237304399465 3.9392e-06 deg
node 105.4984661865334 1.8923e-05 deg
peri 147.3641487595642 2.3032e-05 deg
M 40.43896183386582 1.2433e-05 deg
tp 2459173.573779665194
(2020-Nov-20.07377967)
6.8398e-05 TDB
period 1984.557359564103
5.43
1.7044e-05
4.666e-08
d
yr
n .1814006525258972 1.5579e-09 deg/d
Q 3.564237443422764 2.0407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1998-04-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:33  

Additional Information
 Earth MOID = 1.61199 au 
 Jupiter MOID = 1.57779 au 
 T_jup = 3.168 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.50   n/a MPO637228  
diameter diameter 7.859 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.42921 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90227 (2003 BM19)          Discovered 2003-Jan-26 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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