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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1654623802914603 5.6949e-08  
a 2.619445678455715 3.393e-08 au
q 2.186025961454253 1.3874e-07 au
i 11.63490840442416 6.8578e-06 deg
node 354.1374661456532 3.4298e-05 deg
peri 224.2951663903278 5.0279e-05 deg
M 190.7063121340952 4.5338e-05 deg
tp 2459728.700187869095
(2022-May-29.20018787)
0.00020722 TDB
period 1548.504678098343
4.24
3.0087e-05
8.237e-08
d
yr
n .2324823457699216 4.517e-09 deg/d
Q 3.052865395457177 3.9544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      10098 days (27.65 yr)  
   first obs. used      1992-03-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:13  

Additional Information
 Earth MOID = 1.19662 au 
 Jupiter MOID = 1.98085 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651653146587947 5.6998e-08  
q 2.187361559683035 1.3889e-07 au
tp 2456632.501708187011
(2013-Dec-06.00170819)
0.00015797 TDB
node 354.1751845960917 3.4268e-05 deg
peri 224.476734556343 5.0255e-05 deg
i 11.63964927335466 6.8598e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      10098 days (27.65 yr)  
   first obs. used      1992-03-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:13  

Additional Information
 Jupiter MOID = 1.98085 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.248764709362613E-15 -7.784924490395302E-15 3.276660307221218E-12 1.954444063511224E-14 7.510270958793673E-13 -5.416561517785341E-15
q -7.784924490395302E-15 1.929108410081427E-14 -5.201472920837271E-12 -4.935315266439439E-14 -1.167184432984705E-12 1.344110582179003E-14
tp 3.276660307221218E-12 -5.201472920837271E-12 2.495526638661678E-8 5.949503112268719E-11 5.85978495154522E-9 -2.618474285081998E-11
node 1.954444063511224E-14 -4.935315266439439E-14 5.949503112268719E-11 1.174321875934262E-9 -1.136433513348817E-9 -5.415808068215017E-11
peri 7.510270958793673E-13 -1.167184432984705E-12 5.85978495154522E-9 -1.136433513348817E-9 2.525601851258256E-9 4.733357316529481E-11
i -5.416561517785341E-15 1.344110582179003E-14 -2.618474285081998E-11 -5.415808068215017E-11 4.733357316529481E-11 4.705637393548468E-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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