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226750 (2004 RD28)
Classification: Main-belt Asteroid          SPK-ID: 2226750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211635962237554 4.8461e-08  
a 2.762647212747571 2.0586e-08 au
q 2.177971711554842 1.3714e-07 au
i 8.225114698303388 7.5838e-06 deg
node 326.5043570108247 3.5386e-05 deg
peri 101.2986011395984 4.1038e-05 deg
M 88.71431630773917 1.7591e-05 deg
tp 2458587.188223070141
(2019-Apr-13.68822307)
8.0897e-05 TDB
period 1677.206632338877
4.59
1.8747e-05
5.133e-08
d
yr
n .2146426045894997 2.3991e-09 deg/d
Q 3.3473227139403 2.4943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7013 days (19.20 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:57:10  

Additional Information
 Earth MOID = 1.20983 au 
 Jupiter MOID = 2.02971 au 
 T_jup = 3.293 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO454628  
diameter diameter 3.141 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226750 (2004 RD28)          Discovered 2004-Sep-06 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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