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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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04364074092910046 4.5264e-08  
a 2.173422406126512 1.03e-08 au
q 2.078572641971243 1.0379e-07 au
i 2.551539205530397 3.9812e-06 deg
node 100.239111039932 0.00011024 deg
peri 354.371265599697 0.00012371 deg
M 316.6956450118715 5.587e-05 deg
tp 2459341.280891241781
(2021-May-06.78089124)
0.00018165 TDB
period 1170.346974592625
3.20
8.3196e-06
2.278e-08
d
yr
n .3076010856740234 2.1866e-09 deg/d
Q 2.268272170281782 1.075e-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-Apr-13 23:38:30  

Additional Information
 Earth MOID = 1.0951 au 
 Jupiter MOID = 2.77816 au 
 T_jup = 3.684 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457878.5 (2017-May-05.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0436533133678316 4.5406e-08  
q 2.078880136911148 1.041e-07 au
tp 2458166.761049991328
(2018-Feb-17.26104999)
0.000181 TDB
node 100.2465850425813 0.00011028 deg
peri 353.1797009166221 0.00012366 deg
i 2.55117075661333 3.9815e-06 deg
  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-Apr-13 23:38:30  

Additional Information
 Jupiter MOID = 2.77816 au 
 T_jup = 3.684 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.061745282373805E-15 -4.711332609451939E-15 -2.095196321206061E-12 -3.498779076161752E-15 -5.633075699965896E-13 -1.94343997630071E-15
q -4.711332609451939E-15 1.083772920643956E-14 4.506972803972972E-12 7.680083001645661E-15 1.194484933509832E-12 4.441679247211504E-15
tp -2.095196321206061E-12 4.506972803972972E-12 3.276225396068244E-8 4.905899308786962E-11 1.014451479929864E-8 7.996487503715682E-12
node -3.498779076161752E-15 7.680083001645661E-15 4.905899308786962E-11 1.216230796416343E-8 -1.213504838486702E-8 -1.498872826791601E-10
peri -5.633075699965896E-13 1.194484933509832E-12 1.014451479929864E-8 -1.213504838486702E-8 1.529225300634369E-8 1.521773906029967E-10
i -1.94343997630071E-15 4.441679247211504E-15 7.996487503715682E-12 -1.498872826791601E-10 1.521773906029967E-10 1.585273653060991E-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 17.90   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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