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249647 (1999 TE238)
Classification: Main-belt Asteroid          SPK-ID: 2249647
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228067425023947 5.33e-08  
a 2.419366029843842 1.5039e-08 au
q 2.122251568797768 1.2729e-07 au
i 7.247125533791268 4.0631e-06 deg
node 71.25929080805656 3.8981e-05 deg
peri 287.407293111116 4.2216e-05 deg
M 191.8336796001759 1.7854e-05 deg
tp 2459642.577298896955
(2022-Mar-04.07729890)
7.1512e-05 TDB
period 1374.519148979047
3.76
1.2816e-05
3.509e-08
d
yr
n .2619097742417031 2.4421e-09 deg/d
Q 2.716480490889915 1.6886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:46:15  

Additional Information
 Earth MOID = 1.13262 au 
 Jupiter MOID = 2.73892 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457392.5 (2016-Jan-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219956009495043 5.3304e-08  
q 2.125243518999488 1.272e-07 au
tp 2456890.202767527284
(2014-Aug-20.70276753)
6.0563e-05 TDB
node 71.34916936895806 3.9014e-05 deg
peri 286.8213771984326 4.229e-05 deg
i 7.243118434805863 4.0591e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:46:15  

Additional Information
 Jupiter MOID = 2.73892 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.841343955947174E-15 -6.744510885694585E-15 4.695809055206318E-13 -3.633229595351346E-14 8.406951212129241E-14 -1.676165291780804E-15
q -6.744510885694585E-15 1.617974142834901E-14 -9.057032947156838E-13 8.607235864730464E-14 -1.316921890116473E-13 4.08685491540797E-15
tp 4.695809055206318E-13 -9.057032947156838E-13 3.667905842341187E-9 -8.555151268076661E-12 1.014802236669981E-9 -1.61435080152295E-12
node -3.633229595351346E-14 8.607235864730464E-14 -8.555151268076661E-12 1.522085753992458E-9 -1.51089785587035E-9 -4.002380162132737E-11
peri 8.406951212129241E-14 -1.316921890116473E-13 1.014802236669981E-9 -1.51089785587035E-9 1.788422746391042E-9 3.932564301404564E-11
i -1.676165291780804E-15 4.08685491540797E-15 -1.61435080152295E-12 -4.002380162132737E-11 3.932564301404564E-11 1.647659761751963E-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 16.2   n/a MPO418333  

249647 (1999 TE238)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1999 TE238 = 2003 WM133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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