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212233 (2005 JR30)
Classification: Main-belt Asteroid          SPK-ID: 2212233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797829444978342 4.8794e-08  
a 2.633673880312284 1.8891e-08 au
q 1.896816847231477 1.3734e-07 au
i 11.63665650994568 4.1501e-06 deg
node 211.1766102689514 2.5313e-05 deg
peri 105.9164459072764 2.8542e-05 deg
M 130.9971260023426 9.4407e-06 deg
tp 2458432.431525155237
(2018-Nov-09.93152515)
3.8835e-05 TDB
period 1561.138455361668
4.27
1.6797e-05
4.599e-08
d
yr
n .2306009430256454 2.4811e-09 deg/d
Q 3.370530913393091 2.4176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2001-06-21  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:04:57  

Additional Information
 Earth MOID = .923719 au 
 Jupiter MOID = 2.14139 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO310491  
diameter diameter 2.163 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212233 (2005 JR30)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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