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295068 (2008 EH123)
Classification: Main-belt Asteroid          SPK-ID: 2295068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714708255432439 8.6277e-08  
a 2.436045466989792 2.4319e-08 au
q 2.018334739704176 2.2328e-07 au
i 5.64914544187982 8.0245e-06 deg
node 186.1392300407547 6.589e-05 deg
peri 350.0897674168024 6.8827e-05 deg
M 342.6477765075932 2.3844e-05 deg
tp 2458667.438988182506
(2019-Jul-02.93898818)
9.2611e-05 TDB
period 1388.757801341545
3.80
2.0796e-05
5.694e-08
d
yr
n .2592244663916477 3.8817e-09 deg/d
Q 2.853756194275409 2.8489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5444 days (14.90 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:43  

Additional Information
 Earth MOID = 1.02324 au 
 Jupiter MOID = 2.11222 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456643.5 (2013-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720789364447337 8.6115e-08  
q 2.0165699198459 2.2287e-07 au
tp 2457278.546951347172
(2015-Sep-13.04695135)
8.0983e-05 TDB
node 186.1716949785913 6.5927e-05 deg
peri 350.1216436587297 6.8859e-05 deg
i 5.647582048489048 8.0236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5444 days (14.90 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:43  

Additional Information
 Jupiter MOID = 2.11222 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.41577860913146E-15 -1.914460249424261E-14 -1.437833616907901E-12 5.797820683225807E-14 -2.259375821344893E-13 -1.707924312651228E-14
q -1.914460249424261E-14 4.966943681436919E-14 4.252268020398721E-12 -1.433880143724081E-13 6.824318661642322E-13 4.541654417805486E-14
tp -1.437833616907901E-12 4.252268020398721E-12 6.558174884053271E-9 2.820503869051287E-11 1.630805291553041E-9 1.156222122840318E-11
node 5.797820683225807E-14 -1.433880143724081E-13 2.820503869051287E-11 4.346391114475598E-9 -4.315062615551432E-9 6.712885085331702E-12
peri -2.259375821344893E-13 6.824318661642322E-13 1.630805291553041E-9 -4.315062615551432E-9 4.741513456446749E-9 -4.121299990394432E-12
i -1.707924312651228E-14 4.541654417805486E-14 1.156222122840318E-11 6.712885085331702E-12 -4.121299990394432E-12 6.437803240719172E-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 17.6   n/a MPO423130  

295068 (2008 EH123)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 EH123 = 2004 EG68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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