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190631 (2000 WT129)
Classification: Main-belt Asteroid          SPK-ID: 2190631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271901762357072 4.4463e-08  
a 2.645224146278242 1.6517e-08 au
q 2.308777620930165 1.1776e-07 au
i 1.274503190293283 6.071e-06 deg
node 353.1431150959245 0.00020133 deg
peri 72.99740025832058 0.0002027 deg
M 233.7153100154475 2.3987e-05 deg
tp 2459751.739520323376
(2022-Jun-21.23952032)
0.00010662 TDB
period 1571.419523147975
4.30
1.4718e-05
4.03e-08
d
yr
n .229092228203213 2.1457e-09 deg/d
Q 2.98167067162632 1.8618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-05-20  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:29  

Additional Information
 Earth MOID = 1.32226 au 
 Jupiter MOID = 2.29459 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291202833913973 4.4249e-08  
q 2.301127567907599 1.1704e-07 au
tp 2456615.101284668847
(2013-Nov-18.60128467)
9.7906e-05 TDB
node 353.2144590904027 0.00020141 deg
peri 73.41770636635455 0.00020274 deg
i 1.275047308224001 6.072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-05-20  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:29  

Additional Information
 Jupiter MOID = 2.29459 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.957943941361641E-15 -5.138996120324184E-15 -1.415122109235102E-12 1.233960414601488E-14 -3.748292274859801E-13 -2.595901468202739E-16
q -5.138996120324184E-15 1.369784316501592E-14 3.849258935114648E-12 -3.348776491868195E-14 1.027477640949947E-12 8.522444453768266E-16
tp -1.415122109235102E-12 3.849258935114648E-12 9.585540733856243E-9 -2.69154559629587E-11 2.284971573264079E-9 6.737520185472603E-13
node 1.233960414601488E-14 -3.348776491868195E-14 -2.69154559629587E-11 4.056523643026346E-8 -4.056101046211214E-8 2.164970526569638E-10
peri -3.748292274859801E-13 1.027477640949947E-12 2.284971573264079E-9 -4.056101046211214E-8 4.110295791136317E-8 -2.162754588749254E-10
i -2.595901468202739E-16 8.522444453768266E-16 6.737520185472603E-13 2.164970526569638E-10 -2.162754588749254E-10 3.686861732447817E-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 16.16   n/a E2021B55  
diameter diameter 2.308 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190631 (2000 WT129)          Discovered 2000-Nov-19 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2000 WT129 = 2002 EV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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