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212099 (2005 EX139)
Classification: Main-belt Asteroid          SPK-ID: 2212099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652395668306331 5.6549e-08  
a 2.619987044100187 3.3759e-08 au
q 2.187061519831201 1.3801e-07 au
i 11.63435046722962 6.7865e-06 deg
node 354.1308525117884 3.4253e-05 deg
peri 224.273700209259 5.0307e-05 deg
M 237.2193339085482 4.6134e-05 deg
tp 2459728.792720935778
(2022-May-29.29272094)
0.00020734 TDB
period 1548.984751355093
4.24
2.9939e-05
8.197e-08
d
yr
n .2324102930548945 4.492e-09 deg/d
Q 3.052912568369173 3.9338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:40:41  

Additional Information
 Earth MOID = 1.19672 au 
 Jupiter MOID = 1.97958 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457054.5 (2015-Feb-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651776319575071 5.6629e-08  
q 2.187308704100613 1.3819e-07 au
tp 2456632.499730314792
(2013-Dec-05.99973031)
0.00015793 TDB
node 354.1749468717523 3.4225e-05 deg
peri 224.4740378123751 5.0239e-05 deg
i 11.63977195924259 6.7886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:40:41  

Additional Information
 Jupiter MOID = 1.97958 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.206808578918603E-15 -7.694415619811562E-15 3.261861996706491E-12 1.872500137644576E-14 7.513268566170654E-13 -4.944665785172869E-15
q -7.694415619811562E-15 1.909585900037188E-14 -5.17012285529581E-12 -4.766415111188895E-14 -1.167918168857219E-12 1.246406444572257E-14
tp 3.261861996706491E-12 -5.17012285529581E-12 2.49420813274011E-8 5.572369700968598E-11 5.861344503589552E-9 -2.402088413533216E-11
node 1.872500137644576E-14 -4.766415111188895E-14 5.572369700968598E-11 1.17133751896323E-9 -1.13439972595336E-9 -5.24633945243682E-11
peri 7.513268566170654E-13 -1.167918168857219E-12 5.861344503589552E-9 -1.13439972595336E-9 2.523991037798407E-9 4.618408915737263E-11
i -4.944665785172869E-15 1.246406444572257E-14 -2.402088413533216E-11 -5.24633945243682E-11 4.618408915737263E-11 4.608570200308593E-11

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 16.1   n/a MPO494171  

212099 (2005 EX139)          Discovered 2005-Mar-09 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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