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JPL Small-Body Database Browser
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312847 (2011 UA78)
Classification: Main-belt Asteroid          SPK-ID: 2312847
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 .1173134987245262 6.404e-08  
a 3.108815513374003 5.8806e-08 au
q 2.744109488611015 2.0176e-07 au
i 13.38528508973249 7.4555e-06 deg
node 239.6951603294581 2.9326e-05 deg
peri 355.1028138670663 4.1482e-05 deg
M 299.1062312431124 3.1925e-05 deg
tp 2458939.157895653569
(2020-Mar-30.65789565)
0.00018124 TDB
period 2002.123450792243
5.48
5.6807e-05
1.555e-07
d
yr
n .1798090921204421 5.1018e-09 deg/d
Q 3.473521538136991 6.5704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2003-03-29  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:32  

Additional Information
 Earth MOID = 1.73272 au 
 Jupiter MOID = 1.54681 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165040539386553 6.4144e-08  
q 2.747717691265546 2.021e-07 au
tp 2456932.967849816352
(2014-Oct-02.46784982)
0.00016736 TDB
node 239.7198045391952 2.9329e-05 deg
peri 354.6338050649572 4.1591e-05 deg
i 13.38226347274607 7.4544e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2003-03-29  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:32  

Additional Information
 Jupiter MOID = 1.54681 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.11439863085257E-15 -1.253116717327586E-14 -2.06525796545451E-12 -5.901579917223417E-15 -3.59518054900767E-13 -8.478956707568836E-16
q -1.253116717327586E-14 4.084258738147032E-14 7.307707001166126E-12 2.557842885588818E-14 1.283866280188929E-12 7.32025516430826E-15
tp -2.06525796545451E-12 7.307707001166126E-12 2.801055083534633E-8 3.079335475401405E-11 4.996801268403589E-9 -5.688967241297987E-13
node -5.901579917223417E-15 2.557842885588818E-14 3.079335475401405E-11 8.60172444395236E-10 -8.309474642431012E-10 -3.972792735497898E-11
peri -3.59518054900767E-13 1.283866280188929E-12 4.996801268403589E-9 -8.309474642431012E-10 1.72978614758885E-9 3.870057255331372E-11
i -8.478956707568836E-16 7.32025516430826E-15 -5.688967241297987E-13 -3.972792735497898E-11 3.870057255331372E-11 5.556751480497243E-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 15.4   n/a MPO434005  

312847 (2011 UA78)          Discovered 2003-Mar-29 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UA78 = 2006 WF51 = 2009 JJ14 = 2010 LX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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