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46338 (2001 RF80)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850594307383038 3.8762e-08  
a 3.221711150944695 1.8852e-08 au
q 2.625503119347624 1.2274e-07 au
i 1.263222862944548 4.0467e-06 deg
node 180.3912282419907 0.00019009 deg
peri 119.2827465079624 0.00019042 deg
M 176.9169513249703 1.31e-05 deg
tp 2458162.504971603475
(2018-Feb-13.00497160)
7.3428e-05 TDB
period 2112.167361149906
5.78
1.8539e-05
5.076e-08
d
yr
n .1704410392006099 1.496e-09 deg/d
Q 3.817919182541765 2.2341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      11067 days (30.30 yr)  
   first obs. used      1990-11-22  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:48:08  

Additional Information
 Earth MOID = 1.60818 au 
 Jupiter MOID = 1.41601 au 
 T_jup = 3.161 
[ 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 14.17   n/a MPCxxxxx  
diameter diameter 7.382 km 0.552 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46338 (2001 RF80)          Discovered 2001-Sep-12 by JPL/GEODSS NEAT at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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