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JPL Small-Body Database Browser
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442543 (2011 YV31)
Classification: Main-belt Asteroid          SPK-ID: 2442543
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06557810105885335 7.1696e-08  
a 3.109345632229747 5.1604e-08 au
q 2.905440650132481 2.0017e-07 au
i 7.884369615062497 7.0898e-06 deg
node 290.9458024051012 4.8599e-05 deg
peri 198.2705039230829 7.614e-05 deg
M 96.14419945378859 5.7039e-05 deg
tp 2458065.661681759467
(2017-Nov-08.16168176)
0.00031565 TDB
period 2002.635579270039
5.48
4.9855e-05
1.365e-07
d
yr
n .1797631100368346 4.4751e-09 deg/d
Q 3.313250614327014 5.4988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:45  

Additional Information
 Earth MOID = 1.92222 au 
 Jupiter MOID = 1.7688 au 
 T_jup = 3.202 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457724.5 (2016-Dec-02.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06566436433899656 7.1679e-08  
q 2.903231868051666 2.0064e-07 au
tp 2458060.094892834830
(2017-Nov-02.59489283)
0.00031524 TDB
node 290.9863036264021 4.864e-05 deg
peri 197.0812976838969 7.6109e-05 deg
i 7.882175413750385 7.0878e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:45  

Additional Information
 Jupiter MOID = 1.7688 au 
 T_jup = 3.202 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.137918817391772E-15 -1.408623901942484E-14 -5.484620737598283E-13 1.467107227255316E-14 -2.834745233425587E-13 1.636436850029761E-15
q -1.408623901942484E-14 4.025679869196154E-14 3.539970496040895E-12 -4.414613681390393E-14 1.101330650975479E-12 -9.58227068651695E-16
tp -5.484620737598283E-13 3.539970496040895E-12 9.937545794049183E-8 -1.910960522040591E-11 1.848503424681921E-8 -6.384913507566913E-12
node 1.467107227255316E-14 -4.414613681390393E-14 -1.910960522040591E-11 2.365889749436096E-9 -2.347826786972197E-9 -2.648222931384447E-11
peri -2.834745233425587E-13 1.101330650975479E-12 1.848503424681921E-8 -2.347826786972197E-9 5.792587848012334E-9 2.493920598495024E-11
i 1.636436850029761E-15 -9.58227068651695E-16 -6.384913507566913E-12 -2.648222931384447E-11 2.493920598495024E-11 5.023743871812524E-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 15.7   n/a MPO437721  

442543 (2011 YV31)          Discovered 2006-Nov-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 YV31 = 2007 DM44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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