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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04353045123278983 5.9163e-08  
a 2.173419838112089 1.4433e-08 au
q 2.078809891840772 1.3332e-07 au
i 2.551555768617509 6.3956e-06 deg
node 100.2390397511855 0.00012033 deg
peri 354.3364856593727 0.00013682 deg
M 255.1973314053606 6.3185e-05 deg
tp 2459341.209079814005
(2021-May-06.70907981)
0.00020494 TDB
period 1170.344900352236
3.20
1.1658e-05
3.192e-08
d
yr
n .3076016308454469 3.064e-09 deg/d
Q 2.268029784383405 1.5061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6352 days (17.39 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51214  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:03:20  

Additional Information
 Earth MOID = 1.09558 au 
 Jupiter MOID = 2.77915 au 
 T_jup = 3.684 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456662.5 (2014-Jan-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04328555100823151 5.9162e-08  
q 2.079493130311922 1.3324e-07 au
tp 2456998.203431897253
(2014-Dec-06.70343190)
0.00021025 TDB
node 100.2603073451247 0.00012031 deg
peri 353.8038723046462 0.00013696 deg
i 2.551669462361639 6.396e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6352 days (17.39 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51214  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:03:20  

Additional Information
 Jupiter MOID = 2.77915 au 
 T_jup = 3.684 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.500190500789712E-15 -7.844252718484026E-15 1.391698507007756E-12 -1.015408051336299E-14 4.570016602177165E-13 -1.457467331400795E-15
q -7.844252718484026E-15 1.775194058357315E-14 -3.702099326570588E-12 1.9724855297857E-14 -1.216135950140132E-12 3.342410306207612E-15
tp 1.391698507007756E-12 -3.702099326570588E-12 4.420460347347658E-8 6.542241972092971E-11 1.378145468216224E-8 -3.72508735798973E-12
node -1.015408051336299E-14 1.9724855297857E-14 6.542241972092971E-11 1.447442930526176E-8 -1.443886409541033E-8 -7.911842701496044E-12
peri 4.570016602177165E-13 -1.216135950140132E-12 1.378145468216224E-8 -1.443886409541033E-8 1.875901464741707E-8 6.772302321463837E-12
i -1.457467331400795E-15 3.342410306207612E-15 -3.72508735798973E-12 -7.911842701496044E-12 6.772302321463837E-12 4.090938480192956E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO433388  

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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