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135520 (2001 YR66)
Classification: Main-belt Asteroid          SPK-ID: 2135520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169378403380358 4.2123e-08  
a 2.408140138359506 1.0142e-08 au
q 2.126537431348406 1.0058e-07 au
i 3.09885814092109 4.525e-06 deg
node 38.06057937188434 8.9905e-05 deg
peri 83.02219806895361 9.2976e-05 deg
M 9.973191238005896 2.1661e-05 deg
tp 2459162.685992357987
(2020-Nov-09.18599236)
8.2148e-05 TDB
period 1364.963573469631
3.74
8.6227e-06
2.361e-08
d
yr
n .2637433020171433 1.6661e-09 deg/d
Q 2.689742845370605 1.1328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      10064 days (27.55 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:37  

Additional Information
 Earth MOID = 1.14497 au 
 Jupiter MOID = 2.37077 au 
 T_jup = 3.510 
[ 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 16.38   n/a MPCxxxxx  
diameter diameter 2.915 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135520 (2001 YR66)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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