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469720 (2005 LK22)
Classification: Main-belt Asteroid          SPK-ID: 2469720
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2275171523877686 8.991e-08  
a 2.345293185368056 2.3766e-08 au
q 1.811698758318677 2.128e-07 au
i 3.052786020163347 9.6449e-06 deg
node 140.46018784 0.00013726 deg
peri 149.4819896002042 0.00014647 deg
M 32.60355536373809 3.0469e-05 deg
tp 2458881.689013929534
(2020-Feb-02.18901393)
0.00011163 TDB
period 1311.880085106886
3.59
1.9941e-05
5.46e-08
d
yr
n .2744153250643094 4.1711e-09 deg/d
Q 2.878887612417435 2.9173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      5052 days (13.83 yr)  
   first obs. used      2002-10-09  
   last obs. used      2016-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52593  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:39:42  

Additional Information
 Earth MOID = .796261 au 
 Jupiter MOID = 2.31055 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456483.5 (2013-Jul-10.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281647690363441 8.9321e-08  
q 1.809645631813097 2.1099e-07 au
tp 2456255.665000225837
(2012-Nov-24.16500023)
0.00012825 TDB
node 140.51861887193 0.00013759 deg
peri 149.0772081764817 0.00014663 deg
i 3.048491860881124 9.6389e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      5052 days (13.83 yr)  
   first obs. used      2002-10-09  
   last obs. used      2016-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52593  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:39:42  

Additional Information
 Jupiter MOID = 2.31055 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.978183213221096E-15 -1.877854749380275E-14 5.441455891686235E-12 -1.567236538965866E-13 2.38352283298227E-12 3.213801197537457E-15
q -1.877854749380275E-14 4.451864835798007E-14 -1.407984196256542E-11 3.763230360214963E-13 -6.067656670708359E-12 -1.045078723468235E-14
tp 5.441455891686235E-12 -1.407984196256542E-11 1.644731200044087E-8 -1.90612212377863E-10 6.508333156402852E-9 2.792108852589311E-11
node -1.567236538965866E-13 3.763230360214963E-13 -1.90612212377863E-10 1.893125136915213E-8 -1.898038177027654E-8 -4.779409234537003E-11
peri 2.38352283298227E-12 -6.067656670708359E-12 6.508333156402852E-9 -1.898038177027654E-8 2.14992641218714E-8 5.813418160870327E-11
i 3.213801197537457E-15 -1.045078723468235E-14 2.792108852589311E-11 -4.779409234537003E-11 5.813418160870327E-11 9.290907950560228E-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 18.2   n/a MPO382961  

469720 (2005 LK22)          Discovered 2005-Jun-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 LK22 = 2009 PV14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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