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243980 (2001 RF49)
Classification: Main-belt Asteroid          SPK-ID: 2243980
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 .2275397641192395 7.0887e-08  
a 3.185509918818244 3.2737e-08 au
q 2.460679743290842 2.2119e-07 au
i 27.52320220749833 7.5541e-06 deg
node 79.220267294 1.3405e-05 deg
peri 296.813494445661 2.2358e-05 deg
M 98.68613067805251 1.9451e-05 deg
tp 2458431.227126109381
(2018-Nov-08.72712611)
0.00010789 TDB
period 2076.667037126022
5.69
3.2013e-05
8.765e-08
d
yr
n .1733547042275094 2.6723e-09 deg/d
Q 3.910340094345645 4.0186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2001-09-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:50  

Additional Information
 Earth MOID = 1.579 au 
 Jupiter MOID = 1.85071 au 
 T_jup = 2.985 
[ 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 14.8   n/a MPO454792  
diameter diameter 6.782 km 0.994 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243980 (2001 RF49)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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