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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523017313248775 5.0386e-08  
a 3.087216007342754 2.2157e-08 au
q 2.617027664450577 1.6472e-07 au
i 12.89677308359489 4.1873e-06 deg
node 105.4999131746369 2.2313e-05 deg
peri 147.2420246986553 2.5923e-05 deg
M 328.6486381734528 1.3657e-05 deg
tp 2459173.045192145751
(2020-Nov-19.54519215)
7.5709e-05 TDB
period 1981.294130574979
5.42
2.133e-05
5.84e-08
d
yr
n .1816994228391151 1.9561e-09 deg/d
Q 3.557404350234932 2.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8108 days (22.20 yr)  
   first obs. used      1998-04-02  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:35:02  

Additional Information
 Earth MOID = 1.61206 au 
 Jupiter MOID = 1.58626 au 
 T_jup = 3.170 
[ 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 14.5   n/a MPO436403  
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. 2019-August); 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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