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JPL Small-Body Database Browser
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212421 (2006 KV120)
Classification: Main-belt Asteroid          SPK-ID: 2212421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472035350399726 7.8072e-08  
a 2.204816014176009 1.3233e-08 au
q 1.880259302776558 1.669e-07 au
i 4.705730756135051 5.9224e-06 deg
node 100.8761777856473 8.2178e-05 deg
peri 85.21610575528399 8.6256e-05 deg
M 24.85194580675073 2.6403e-05 deg
tp 2458517.950422284619
(2019-Feb-03.45042228)
8.7327e-05 TDB
period 1195.795621341838
3.27
1.0765e-05
2.947e-08
d
yr
n .3010547902793232 2.7103e-09 deg/d
Q 2.52937272557546 1.5181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7393 days (20.24 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:17  

Additional Information
 Earth MOID = .889214 au 
 Jupiter MOID = 2.43671 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474064385144614 7.7891e-08  
q 1.879678031137235 1.6647e-07 au
tp 2457321.521727196622
(2015-Oct-26.02172720)
8.2429e-05 TDB
node 100.888805726909 8.2184e-05 deg
peri 85.00086277099176 8.6274e-05 deg
i 4.705629165394912 5.9218e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7393 days (20.24 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:17  

Additional Information
 Jupiter MOID = 2.43671 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.066969290480263E-15 -1.294367275362426E-14 4.631228164020134E-12 4.698643593008493E-14 1.599618600675236E-12 -5.185414588269265E-15
q -1.294367275362426E-14 2.771272096148563E-14 -9.828519059142239E-12 -9.829905962655818E-14 -3.399417071612859E-12 1.103551431541773E-14
tp 4.631228164020134E-12 -9.828519059142239E-12 6.794509316876412E-9 3.078100643692954E-11 2.210237510718354E-9 -4.176609843530452E-12
node 4.698643593008493E-14 -9.829905962655818E-14 3.078100643692954E-11 6.754231899959087E-9 -6.719976634137654E-9 -2.886368617853063E-10
peri 1.599618600675236E-12 -3.399417071612859E-12 2.210237510718354E-9 -6.719976634137654E-9 7.443222399065745E-9 2.862566990210042E-10
i -5.185414588269265E-15 1.103551431541773E-14 -4.176609843530452E-12 -2.886368617853063E-10 2.862566990210042E-10 3.506766918426403E-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 MPO433388  

212421 (2006 KV120)          Discovered 2006-May-19 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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