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135206 (2001 RF61)
Classification: Main-belt Asteroid          SPK-ID: 2135206
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188846075516394 5.3639e-08  
a 3.019947144156648 1.8959e-08 au
q 2.660921913096891 1.5997e-07 au
i 6.304105134690193 5.0376e-06 deg
node 64.95818672086345 4.151e-05 deg
peri 310.7374268332306 4.4339e-05 deg
M 225.4895996787318 1.6209e-05 deg
tp 2459916.727190214983
(2022-Dec-03.22719022)
8.9243e-05 TDB
period 1916.891094380493
5.25
1.8052e-05
4.942e-08
d
yr
n .1878040964639913 1.7686e-09 deg/d
Q 3.378972375216406 2.1213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:58  

Additional Information
 Earth MOID = 1.66666 au 
 Jupiter MOID = 2.09372 au 
 T_jup = 3.227 
[ 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 15.09   n/a E2021B55  
diameter diameter 5.195 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135206 (2001 RF61)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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