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JPL Small-Body Database Browser
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357274 (2002 RA221)
Classification: Main-belt Asteroid          SPK-ID: 2357274
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853554675877888 8.5341e-08  
a 2.671372877103027 2.9653e-08 au
q 2.176219308366259 2.3379e-07 au
i 3.65466809942635 6.8607e-06 deg
node 50.41042331664997 0.00016238 deg
peri 314.9930431230549 0.00016421 deg
M 280.2226511245202 2.5337e-05 deg
tp 2458953.908747061025
(2020-Apr-14.40874706)
0.0001151 TDB
period 1594.777850296219
4.37
2.6554e-05
7.27e-08
d
yr
n .2257367695024938 3.7586e-09 deg/d
Q 3.166526445839796 3.5149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5679 days (15.55 yr)  
   first obs. used      2002-08-30  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 01:51:58  

Additional Information
 Earth MOID = 1.17568 au 
 Jupiter MOID = 2.29157 au 
 T_jup = 3.353 
[ 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 17.0   n/a MPO440600  

357274 (2002 RA221)          Discovered 2002-Sep-15 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2002 RA221 = 2011 UV135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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