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146446 (2001 RA3)
Classification: Main-belt Asteroid          SPK-ID: 2146446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826775560813272 5.5454e-08  
a 2.59695741095535 1.3891e-08 au
q 2.122551577874736 1.4112e-07 au
i 9.033271320394455 4.4392e-06 deg
node 267.1744610669213 3.187e-05 deg
peri 124.3168458210285 3.4265e-05 deg
M 135.8618874230239 1.134e-05 deg
tp 2458423.612922277479
(2018-Nov-01.11292228)
4.7666e-05 TDB
period 1528.606380488963
4.19
1.2265e-05
3.358e-08
d
yr
n .2355086336123005 1.8896e-09 deg/d
Q 3.071363244035965 1.6429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:53  

Additional Information
 Earth MOID = 1.14436 au 
 Jupiter MOID = 2.40492 au 
 T_jup = 3.376 
[ show covariance matrix ]

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 15.9   n/a MPO376037  

146446 (2001 RA3)          Discovered 2001-Sep-08 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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