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226751 (2004 RE28)
Classification: Main-belt Asteroid          SPK-ID: 2226751
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057082207337699 6.3352e-08  
a 2.737086695830498 1.8483e-08 au
q 2.174045461637133 1.7051e-07 au
i 3.981355021318963 5.9063e-06 deg
node 154.6201003175285 7.6953e-05 deg
peri 233.0607827950043 7.8172e-05 deg
M 137.5754378351423 1.1912e-05 deg
tp 2458368.423476294788
(2018-Sep-06.92347629)
5.4296e-05 TDB
period 1653.983822363322
4.53
1.6753e-05
4.587e-08
d
yr
n .2176563005831629 2.2046e-09 deg/d
Q 3.300127930023864 2.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      8902 days (24.37 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:57:10  

Additional Information
 Earth MOID = 1.18135 au 
 Jupiter MOID = 2.15502 au 
 T_jup = 3.317 
[ 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 16.4   n/a MPO470425  
diameter diameter 2.370 km 0.495 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.91 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.104   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226751 (2004 RE28)          Discovered 2004-Sep-06 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RE28 = 2000 WT38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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