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JPL Small-Body Database Browser
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136256 (2003 YS31)
Classification: Main-belt Asteroid          SPK-ID: 2136256
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278399996189001 6.1056e-08  
a 2.420564441911079 1.6304e-08 au
q 2.111119484579643 1.4266e-07 au
i 3.529678982207878 4.93e-06 deg
node 301.4830783073114 8.5045e-05 deg
peri 43.42737342320861 8.717e-05 deg
M 110.0867286496542 2.2714e-05 deg
tp 2458179.864554597682
(2018-Mar-02.36455460)
8.4443e-05 TDB
period 1375.540559723139
3.77
1.3898e-05
3.805e-08
d
yr
n .2617152925483047 2.6442e-09 deg/d
Q 2.730009399242514 1.8388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      10015 days (27.42 yr)  
   first obs. used      1991-09-08  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:45:16  

Additional Information
 Earth MOID = 1.10413 au 
 Jupiter MOID = 2.6458 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456549.5 (2013-Sep-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281652049015335 6.1079e-08  
q 2.110340564215907 1.4282e-07 au
tp 2456801.148975374013
(2014-May-23.64897537)
7.7616e-05 TDB
node 301.6213704999687 8.4843e-05 deg
peri 42.56328293189096 8.6973e-05 deg
i 3.534642147329491 4.9354e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      10015 days (27.42 yr)  
   first obs. used      1991-09-08  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:45:16  

Additional Information
 Jupiter MOID = 2.6458 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.730651920619144E-15 -8.686951442769601E-15 1.557671043518703E-12 -1.18416248645805E-14 2.591682875034967E-13 -3.871113729616113E-15
q -8.686951442769601E-15 2.039761844686442E-14 -3.315163537250644E-12 2.943227206553661E-14 -5.369576018233231E-13 9.134582418718345E-15
tp 1.557671043518703E-12 -3.315163537250644E-12 6.024267218803116E-9 -1.37832920572339E-11 1.503506288830786E-9 -3.772426878373443E-12
node -1.18416248645805E-14 2.943227206553661E-14 -1.37832920572339E-11 7.198323959137406E-9 -7.187262615619939E-9 6.998832199007826E-11
peri 2.591682875034967E-13 -5.369576018233231E-13 1.503506288830786E-9 -7.187262615619939E-9 7.564284601237898E-9 -7.070738538256908E-11
i -3.871113729616113E-15 9.134582418718345E-15 -3.772426878373443E-12 6.998832199007826E-11 -7.070738538256908E-11 2.435818491631153E-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 16.4   n/a MPO453845  
diameter diameter 2.328 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136256 (2003 YS31)          Discovered 2003-Dec-18 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2003 YS31 = 1999 VO144 = 2003 YV177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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