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212273 (2005 JR147)
Classification: Main-belt Asteroid          SPK-ID: 2212273
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748220905415546 3.9195e-08  
a 2.69892000733014 1.6279e-08 au
q 2.227089169444257 1.0867e-07 au
i 14.29272322638618 4.4323e-06 deg
node 156.9408628926084 1.4738e-05 deg
peri 196.2605793617169 1.9509e-05 deg
M 45.08388676484291 1.0684e-05 deg
tp 2458797.683961503973
(2019-Nov-10.18396150)
4.8255e-05 TDB
period 1619.509299173977
4.43
1.4653e-05
4.012e-08
d
yr
n .2222895541159389 2.0112e-09 deg/d
Q 3.170750845216022 1.9125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      6263 days (17.15 yr)  
   first obs. used      2002-11-30  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:27  

Additional Information
 Earth MOID = 1.22413 au 
 Jupiter MOID = 2.26391 au 
 T_jup = 3.302 
[ 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 15.3   n/a MPO433387  
diameter diameter 2.243 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212273 (2005 JR147)          Discovered 2005-May-13 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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