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66572 (1999 RU149)
Classification: Main-belt Asteroid          SPK-ID: 2066572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501695210474998 2.9706e-08  
a 2.291287380969663 7.4715e-09 au
q 1.947205852387269 6.6904e-08 au
i 4.153611487779634 4.5497e-06 deg
node 322.0915965063338 5.6385e-05 deg
peri 302.6613140128633 6.0464e-05 deg
M 163.0377128868236 2.4452e-05 deg
tp 2458822.775567040623
(2019-Dec-05.27556704)
8.5324e-05 TDB
period 1266.828344241744
3.47
6.1963e-06
1.696e-08
d
yr
n .2841742542597409 1.39e-09 deg/d
Q 2.635368909552057 8.5934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      10918 days (29.89 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:24  

Additional Information
 Earth MOID = .935182 au 
 Jupiter MOID = 2.45093 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14980120715783 2.9732e-08  
q 1.948350059485266 6.6923e-08 au
tp 2457555.900096121127
(2016-Jun-16.40009612)
8.4265e-05 TDB
node 322.1320161530497 5.641e-05 deg
peri 302.685955345789 6.0498e-05 deg
i 4.152362293531729 4.5487e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      10918 days (29.89 yr)  
   first obs. used      1991-02-14  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:24  

Additional Information
 Jupiter MOID = 2.45093 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.840177416409018E-16 -1.981160949323894E-15 1.548461399518524E-13 1.68379325087569E-15 2.100827841394146E-14 7.419580434867991E-16
q -1.981160949323894E-15 4.47869087140579E-15 -2.614275284249245E-13 -3.988011328610804E-15 -2.637063448646403E-14 -1.651182301345116E-15
tp 1.548461399518524E-13 -2.614275284249245E-13 7.100530615589692E-9 1.745193546047714E-11 1.858894710407974E-9 -2.897477287437088E-12
node 1.68379325087569E-15 -3.988011328610804E-15 1.745193546047714E-11 3.182062788238587E-9 -3.168889677094571E-9 1.098711160845182E-10
peri 2.100827841394146E-14 -2.637063448646403E-14 1.858894710407974E-9 -3.168889677094571E-9 3.660014850389419E-9 -1.103900689394667E-10
i 7.419580434867991E-16 -1.651182301345116E-15 -2.897477287437088E-12 1.098711160845182E-10 -1.103900689394667E-10 2.069097834488467E-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 15.65   n/a MPCxxxxx  

66572 (1999 RU149)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RU149 = 2002 JK110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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