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226773 (2004 RP122)
Classification: Main-belt Asteroid          SPK-ID: 2226773
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271989960022222 7.5718e-08  
a 2.59176624916806 2.2235e-08 au
q 2.262096184401437 2.0337e-07 au
i 8.106443457860559 8.0068e-06 deg
node 357.9421260742011 2.9989e-05 deg
peri 158.6784667722099 3.9956e-05 deg
M 9.583023830473877 2.2751e-05 deg
tp 2458559.931192755143
(2019-Mar-17.43119276)
9.6307e-05 TDB
period 1524.025283304155
4.17
1.9612e-05
5.369e-08
d
yr
n .2362165535859772 3.0398e-09 deg/d
Q 2.921436313934682 2.5063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1998-02-21  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 01:21:48  

Additional Information
 Earth MOID = 1.27355 au 
 Jupiter MOID = 2.06359 au 
 T_jup = 3.394 
[ 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 16.0   n/a MPO437075  
diameter diameter 3.539 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226773 (2004 RP122)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 RP122 = 1998 DB32 = 2002 CR116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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