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109701 (2001 RY40)
Classification: Main-belt Asteroid          SPK-ID: 2109701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01853125338617495 4.1691e-08  
a 2.767475225244824 2.3318e-08 au
q 2.716190440605851 1.1562e-07 au
i 13.28061321974182 6.9801e-06 deg
node 48.23973926190479 2.2681e-05 deg
peri 62.17897374195545 0.00021168 deg
M 265.405008051831 0.00020925 deg
tp 2459442.365082071530
(2021-Aug-15.86508207)
0.00097764 TDB
period 1681.605191455695
4.60
2.1253e-05
5.819e-08
d
yr
n .2140811659176451 2.7057e-09 deg/d
Q 2.818760009883798 2.375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      6180 days (16.92 yr)  
   first obs. used      2001-08-13  
   last obs. used      2018-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:18:37  

Additional Information
 Earth MOID = 1.74795 au 
 Jupiter MOID = 2.21232 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456678.5 (2014-Jan-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01702131005062684 4.1029e-08  
q 2.721407750020091 1.1356e-07 au
tp 2456047.365933371756
(2012-Apr-29.86593337)
0.001076 TDB
node 48.28756865155339 2.2664e-05 deg
peri 55.82426565736539 0.00023276 deg
i 13.28613384087251 6.985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      6180 days (16.92 yr)  
   first obs. used      2001-08-13  
   last obs. used      2018-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:18:37  

Additional Information
 Jupiter MOID = 2.21232 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.683361454019129E-15 -4.563315220415481E-15 -5.398991149434357E-13 1.062147148455663E-14 -8.995372211422949E-14 -3.992560207893994E-15
q -4.563315220415481E-15 1.289685767535061E-14 2.009680857766866E-12 -2.87275488750385E-14 3.981534205181512E-13 1.158544448801818E-14
tp -5.398991149434357E-13 2.009680857766866E-12 1.157686925137444E-6 1.056173839295899E-10 2.492691944007576E-7 3.477404140157422E-11
node 1.062147148455663E-14 -2.87275488750385E-14 1.056173839295899E-10 5.136499906298544E-10 -4.764436668707931E-10 -5.930863356471855E-11
peri -8.995372211422949E-14 3.981534205181512E-13 2.492691944007576E-7 -4.764436668707931E-10 5.417578097274116E-8 6.511161019013534E-11
i -3.992560207893994E-15 1.158544448801818E-14 3.477404140157422E-11 -5.930863356471855E-11 6.511161019013534E-11 4.879062648251156E-11

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 14.7   n/a MPO359511  
diameter diameter 6.534 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109701 (2001 RY40)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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