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136431 (2005 ER16)
Classification: Main-belt Asteroid          SPK-ID: 2136431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2307639767349323 3.5744e-08  
a 2.363047696077928 1.1041e-08 au
q 1.817741412516666 8.7588e-08 au
i 4.73028309047921 4.772e-06 deg
node 167.2503252895841 5.3622e-05 deg
peri 137.1580726244958 5.4686e-05 deg
M 318.4821862900376 1.0967e-05 deg
tp 2459153.516806316914
(2020-Oct-31.01680632)
4.0763e-05 TDB
period 1326.805179552867
3.63
9.2987e-06
2.546e-08
d
yr
n .2713284554114568 1.9016e-09 deg/d
Q 2.908353979639191 1.3588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:38:18  

Additional Information
 Earth MOID = .80624 au 
 Jupiter MOID = 2.35854 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308451530795144 3.5863e-08  
q 1.818064423841368 8.7858e-08 au
tp 2456497.829743027770
(2013-Jul-24.32974303)
3.8353e-05 TDB
node 167.2874984460914 5.3698e-05 deg
peri 136.8690149820111 5.4745e-05 deg
i 4.725193140634984 4.7676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:38:18  

Additional Information
 Jupiter MOID = 2.35854 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.286128807594945E-15 -3.137385637826054E-15 1.277822613524442E-13 -1.549600018377145E-14 3.467546770910993E-14 -2.719675429077955E-15
q -3.137385637826054E-15 7.719004259244379E-15 -3.350375488552415E-13 3.921711939809028E-14 -8.214099242634478E-14 6.77854726179983E-15
tp 1.277822613524442E-13 -3.350375488552415E-13 1.470926434777014E-9 1.914713010796992E-12 4.244697648730384E-10 -1.546322520650553E-12
node -1.549600018377145E-14 3.921711939809028E-14 1.914713010796992E-12 2.883515138394327E-9 -2.872310822527699E-9 6.575700818001622E-11
peri 3.467546770910993E-14 -8.214099242634478E-14 4.244697648730384E-10 -2.872310822527699E-9 2.996988695009526E-9 -6.586535772673596E-11
i -2.719675429077955E-15 6.77854726179983E-15 -1.546322520650553E-12 6.575700818001622E-11 -6.586535772673596E-11 2.273025065312968E-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 17.0   n/a MPO436672  

136431 (2005 ER16)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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