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226730 (2004 PB93)
Classification: Main-belt Asteroid          SPK-ID: 2226730
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2654183729045664 5.8947e-08  
a 2.723415214806521 2.4001e-08 au
q 2.000570779749034 1.5951e-07 au
i 17.35260468147775 7.0336e-06 deg
node 115.4964067405236 1.8565e-05 deg
peri 258.8359594432689 2.3407e-05 deg
M 154.3636231933825 1.4881e-05 deg
tp 2458296.598843271744
(2018-Jun-27.09884327)
6.7879e-05 TDB
period 1641.607078014191
4.49
2.1701e-05
5.941e-08
d
yr
n .2192973000795553 2.899e-09 deg/d
Q 3.446259649864007 3.0371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:52  

Additional Information
 Earth MOID = 1.08111 au 
 Jupiter MOID = 2.30536 au 
 T_jup = 3.242 
[ 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 16.0   n/a MPO470425  
diameter diameter 3.937 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226730 (2004 PB93)          Discovered 2004-Aug-11 by Broughton, J. at Reedy Creek
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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