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181362 (2006 RA89)
Classification: Main-belt Asteroid          SPK-ID: 2181362
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01865251800164574 5.3998e-08  
a 2.264249464622778 1.1137e-08 au
q 2.222015510723685 1.2656e-07 au
i 1.561502901343753 5.1067e-06 deg
node 295.0406147194 0.00022026 deg
peri 195.6987748194956 0.00030311 deg
M 305.4487381724102 0.00020452 deg
tp 2459389.076311765820
(2021-Jun-23.57631177)
0.00070657 TDB
period 1244.471162743306
3.41
9.1812e-06
2.514e-08
d
yr
n .2892795034369601 2.1342e-09 deg/d
Q 2.306483418521871 1.1344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1994-01-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:18  

Additional Information
 Earth MOID = 1.23569 au 
 Jupiter MOID = 2.67215 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457398.5 (2016-Jan-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01810484166231217 5.3132e-08  
q 2.223133260659527 1.2438e-07 au
tp 2456893.833472469231
(2014-Aug-24.33347247)
0.00074294 TDB
node 295.1090888478939 0.00022052 deg
peri 193.8545834530186 0.00030952 deg
i 1.56045567562557 5.1042e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1994-01-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:18  

Additional Information
 Jupiter MOID = 2.67215 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.822979736575441E-15 -6.586000747171431E-15 1.359998944742061E-11 -1.571702584509249E-15 4.071972920064815E-12 -5.040313339116541E-16
q -6.586000747171431E-15 1.547043751931165E-14 -3.331204401005246E-11 7.965562808106907E-16 -9.952784682024894E-12 1.221025740591158E-15
tp 1.359998944742061E-11 -3.331204401005246E-11 5.519581631339104E-7 4.588886640657549E-10 1.613955620859537E-7 6.092075849999784E-12
node -1.571702584509249E-15 7.965562808106907E-16 4.588886640657549E-10 4.862797700343185E-8 -4.847586852697424E-8 -1.036240280975879E-10
peri 4.071972920064815E-12 -9.952784682024894E-12 1.613955620859537E-7 -4.847586852697424E-8 9.580435477126194E-8 1.053597686471233E-10
i -5.040313339116541E-16 1.221025740591158E-15 6.092075849999784E-12 -1.036240280975879E-10 1.053597686471233E-10 2.605253015083788E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.41   n/a MPCxxxxx  

181362 (2006 RA89)          Discovered 2006-Sep-15 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 RA89 = 1999 RL147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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