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109646 (2001 RW3)
Classification: Main-belt Asteroid          SPK-ID: 2109646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182694818690536 2.9015e-08  
a 2.642959655461786 1.4956e-08 au
q 2.06608222086333 7.6269e-08 au
i 11.96609853824758 5.6007e-06 deg
node 166.0421367971712 1.6661e-05 deg
peri 274.6405808833983 2.2579e-05 deg
M 323.31000911629 1.341e-05 deg
tp 2458760.448190230188
(2019-Oct-03.94819023)
5.8393e-05 TDB
period 1569.40209294065
4.30
1.3322e-05
3.647e-08
d
yr
n .2293867209807615 1.9471e-09 deg/d
Q 3.219837090060243 1.8221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57844  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:06:44  

Additional Information
 Earth MOID = 1.12165 au 
 Jupiter MOID = 2.16972 au 
 T_jup = 3.330 
[ 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 15.5   n/a MPO453557  
diameter diameter 4.492 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109646 (2001 RW3)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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