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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272949452677998 8.7719e-08  
a 3.185622116363844 3.5378e-08 au
q 2.461546311781032 2.8213e-07 au
i 27.52479665489103 9.7078e-06 deg
node 79.22259036552298 1.8381e-05 deg
peri 296.8497052749316 2.5825e-05 deg
M 29.33800952985001 1.9003e-05 deg
tp 2458431.254177367324
(2018-Nov-08.75417737)
0.00010847 TDB
period 2076.776752211894
5.69
3.4595e-05
9.472e-08
d
yr
n .1733455459844579 2.8876e-09 deg/d
Q 3.909697920946656 4.3419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6656 days (18.22 yr)  
   first obs. used      2001-09-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66904  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:28:26  

Additional Information
 Earth MOID = 1.57926 au 
 Jupiter MOID = 1.84932 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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