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JPL Small-Body Database Browser
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245620 (2005 WL149)
Classification: Main-belt Asteroid          SPK-ID: 2245620
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353092588354422 1.0537e-07  
a 2.123550967237852 1.9579e-08 au
q 1.836214859761612 2.3414e-07 au
i 3.248557396651488 5.1667e-06 deg
node 309.5935390971089 0.00013889 deg
peri 11.7266904158877 0.00014624 deg
M 344.8436827303879 4.0472e-05 deg
tp 2459048.086487274019
(2020-Jul-17.58648727)
0.00012672 TDB
period 1130.296701626462
3.09
1.5632e-05
4.28e-08
d
yr
n .3185004428323742 4.4049e-09 deg/d
Q 2.410887074714093 2.2229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      4840 days (13.25 yr)  
   first obs. used      2005-11-28  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Earth MOID = .823539 au 
 Jupiter MOID = 2.85794 au 
 T_jup = 3.714 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354736402574692 1.0525e-07  
q 1.835379353811015 2.3386e-07 au
tp 2456787.436876705407
(2014-May-09.93687671)
0.00014546 TDB
node 309.6583235957305 0.00013875 deg
peri 11.54405886663545 0.00014608 deg
i 3.250753632543544 5.168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      4840 days (13.25 yr)  
   first obs. used      2005-11-28  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Jupiter MOID = 2.85794 au 
 T_jup = 3.714 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.107799318280067E-14 -2.457258792777759E-14 1.315335963127366E-11 -3.072774729940231E-13 4.00715849182372E-12 -3.743309953513391E-14
q -2.457258792777759E-14 5.469037510107759E-14 -2.959737157087964E-11 6.97328309239804E-13 -9.033410606147499E-12 8.436958431538402E-14
tp 1.315335963127366E-11 -2.959737157087964E-11 2.115989139423267E-8 -4.831174140325171E-10 6.721804979661907E-9 -5.621819701021476E-11
node -3.072774729940231E-13 6.97328309239804E-13 -4.831174140325171E-10 1.925234629024209E-8 -1.936288906264034E-8 3.867228875177305E-10
peri 4.00715849182372E-12 -9.033410606147499E-12 6.721804979661907E-9 -1.936288906264034E-8 2.133853828769806E-8 -4.025207574664385E-10
i -3.743309953513391E-14 8.436958431538402E-14 -5.621819701021476E-11 3.867228875177305E-10 -4.025207574664385E-10 2.670777286554916E-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 17.4   n/a MPO433609  

245620 (2005 WL149)          Discovered 2005-Nov-28 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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