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212399 (2006 JH38)
Classification: Main-belt Asteroid          SPK-ID: 2212399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04378162919556046 4.5269e-08  
a 2.173759090131581 1.0306e-08 au
q 2.078588375686961 1.0382e-07 au
i 2.551502198017322 3.9809e-06 deg
node 100.2391365590471 0.00011024 deg
peri 354.300362651354 0.00012362 deg
M 17.04727512669449 5.5675e-05 deg
tp 2459341.067047210832
(2021-May-06.56704721)
0.00018103 TDB
period 1170.618932104373
3.20
8.3254e-06
2.279e-08
d
yr
n .307529623968103 2.1871e-09 deg/d
Q 2.268929804576201 1.0758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6941 days (19.00 yr)  
   first obs. used      2001-12-09  
   last obs. used      2020-12-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:29:02  

Additional Information
 Earth MOID = 1.09546 au 
 Jupiter MOID = 2.77725 au 
 T_jup = 3.684 
[ 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 17.90   n/a MPCxxxxx  

212399 (2006 JH38)          Discovered 2006-May-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2006 JH38 = 2007 RK249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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