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102146 (1999 RW191)
Classification: Main-belt Asteroid          SPK-ID: 2102146
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393420367588806 6.4102e-08  
a 2.581644649577707 1.4719e-08 au
q 1.963748560960112 1.7334e-07 au
i 3.512180384838643 4.8459e-06 deg
node 342.8737158047578 9.0836e-05 deg
peri 91.39863472725949 9.215e-05 deg
M 345.1333070592588 1.1595e-05 deg
tp 2459263.068391885832
(2021-Feb-17.56839189)		 4.8875e-05 TDB
period 1515.10636351224
4.15		 1.2957e-05
3.547e-08		 d
yr
n .2376070807104704 2.032e-09 deg/d
Q 3.199540738195301 1.8242e-08 au
   Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      9281 days (25.41 yr)  
   first obs. used      1995-08-20  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:39  

Additional Information
 Earth MOID = .982005 au 
 Jupiter MOID = 2.10242 au 
 T_jup = 3.381 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.31   n/a E2021B55  

102146 (1999 RW191)          Discovered 1999-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RW191 = 2003 QH35 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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