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91541 (1999 RG206)
Classification: Main-belt Asteroid          SPK-ID: 2091541
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471085921491239 6.6123e-08  
a 2.750979787957256 1.9442e-08 au
q 2.346287024320169 1.8444e-07 au
i 8.347455565286287 6.526e-06 deg
node 291.3718577005143 3.8158e-05 deg
peri 20.1719687055793 4.1192e-05 deg
M 234.6452929627381 1.6912e-05 deg
tp 2459580.820178297626
(2022-Jan-01.32017830)
7.9263e-05 TDB
period 1666.592895670404
4.56
1.7668e-05
4.837e-08
d
yr
n .2160095611443167 2.2899e-09 deg/d
Q 3.155672551594344 2.2302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:33:10  

Additional Information
 Earth MOID = 1.33371 au 
 Jupiter MOID = 2.10386 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460377627242319 6.6041e-08  
q 2.352445518593557 1.8386e-07 au
tp 2457910.554453550471
(2017-Jun-06.05445355)
7.8774e-05 TDB
node 291.5025611235732 3.8053e-05 deg
peri 19.26416524453487 4.1161e-05 deg
i 8.35540344381478 6.5322e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:33:10  

Additional Information
 Jupiter MOID = 2.10386 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.361445813091574E-15 -1.209343660867171E-14 1.994633527765776E-12 1.428223723451907E-14 3.718353102903505E-13 -3.087114374005499E-15
q -1.209343660867171E-14 3.380551863452809E-14 -5.487952261122745E-12 -3.699162375997469E-14 -1.053896664805158E-12 8.950204749720212E-15
tp 1.994633527765776E-12 -5.487952261122745E-12 6.20537896322662E-9 1.663560852422907E-11 1.268471093344527E-9 -1.320401094756892E-14
node 1.428223723451907E-14 -3.699162375997469E-14 1.663560852422907E-11 1.448019539161738E-9 -1.429247291145966E-9 1.179572034154549E-10
peri 3.718353102903505E-13 -1.053896664805158E-12 1.268471093344527E-9 -1.429247291145966E-9 1.69424493774705E-9 -1.168049195866457E-10
i -3.087114374005499E-15 8.950204749720212E-15 -1.320401094756892E-14 1.179572034154549E-10 -1.168049195866457E-10 4.266960093659744E-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 15.0   n/a MPO337940  

91541 (1999 RG206)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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