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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054989899044349 6.3605e-08  
a 2.737940190343166 1.9462e-08 au
q 2.17529624680889 1.718e-07 au
i 3.980539916518778 5.9218e-06 deg
node 154.622644754965 8.8428e-05 deg
peri 233.1442397046837 8.9778e-05 deg
M 50.45944263328918 1.2751e-05 deg
tp 2458368.560716922717
(2018-Sep-07.06071692)
5.8837e-05 TDB
period 1654.757515152104
4.53
1.7644e-05
4.831e-08
d
yr
n .2175545339444548 2.3197e-09 deg/d
Q 3.300584133877443 2.3462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1995-09-20  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:57:41  

Additional Information
 Earth MOID = 1.18193 au 
 Jupiter MOID = 2.15184 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 16.3   n/a MPO454628  
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-January); 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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