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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116495718151838 5.4069e-08  
a 2.763359008071442 2.4134e-08 au
q 2.17849525724149 1.5669e-07 au
i 8.223844262662558 7.6663e-06 deg
node 326.5068131937298 3.8923e-05 deg
peri 101.3797109601024 4.4527e-05 deg
M 2.805874036274119 1.7522e-05 deg
tp 2458587.422640495612
(2019-Apr-13.92264050)
8.1644e-05 TDB
period 1677.854871857088
4.59
2.198e-05
6.018e-08
d
yr
n .2145596773823137 2.8108e-09 deg/d
Q 3.348222758901394 2.9241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2000-11-19  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:18:11  

Additional Information
 Earth MOID = 1.21012 au 
 Jupiter MOID = 2.02854 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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