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227536 (2005 YB91)
Classification: Main-belt Asteroid          SPK-ID: 2227536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03100509830094336 5.2491e-08  
a 3.00169404048705 3.4683e-08 au
q 2.908626221692393 1.6138e-07 au
i 4.970258713280748 5.1192e-06 deg
node 272.4146231672818 7.8009e-05 deg
peri 38.19681866662889 0.00012947 deg
M 122.5776266650322 0.00010259 deg
tp 2458553.719721648847
(2019-Mar-11.21972165)
0.00054353 TDB
period 1899.538329639055
5.20
3.2922e-05
9.014e-08
d
yr
n .1895197345496083 3.2847e-09 deg/d
Q 3.094761859281707 3.5758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2003-07-24  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:09  

Additional Information
 Earth MOID = 1.89363 au 
 Jupiter MOID = 2.00777 au 
 T_jup = 3.246 
[ 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 15.6   n/a MPO454634  
diameter diameter 4.907 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227536 (2005 YB91)          Discovered 2005-Dec-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 YB91 = 2003 OX24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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