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172246 (2002 RS223)
Classification: Main-belt Asteroid          SPK-ID: 2172246
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08185642030257168 7.2535e-08  
a 2.646136341912135 2.3625e-08 au
q 2.429533093330666 1.9565e-07 au
i 8.566713371828241 7.4275e-06 deg
node 39.70317890105719 4.4343e-05 deg
peri 77.94700478857152 7.1345e-05 deg
M 291.2055718304122 5.5041e-05 deg
tp 2459300.946754690162
(2021-Mar-27.44675469)
0.00024127 TDB
period 1572.232440421293
4.30
2.1056e-05
5.765e-08
d
yr
n .2289737768694907 3.0665e-09 deg/d
Q 2.862739590493604 2.5559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2000-03-09  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:40:00  

Additional Information
 Earth MOID = 1.46329 au 
 Jupiter MOID = 2.22912 au 
 T_jup = 3.372 
[ 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 15.7   n/a MPO359895  
diameter diameter 3.447 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172246 (2002 RS223)          Discovered 2002-Sep-13 by NEAT at Haleakala
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 RS223 = 2000 EE90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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