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312848 (2011 UE78)
Classification: Main-belt Asteroid          SPK-ID: 2312848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07065926423336964 1.1527e-07  
a 3.090504825566887 6.7411e-08 au
q 2.872132028482652 3.9905e-07 au
i 9.038477037920064 8.7473e-06 deg
node 237.2210651348682 4.6322e-05 deg
peri 152.061374380381 6.9794e-05 deg
M 219.419031316565 5.8311e-05 deg
tp 2459775.437356092675
(2022-Jul-14.93735609)
0.00033891 TDB
period 1984.460989321918
5.43
6.4929e-05
1.778e-07
d
yr
n .1814094617818667 5.9355e-09 deg/d
Q 3.308877622651122 7.2174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4986 days (13.65 yr)  
   first obs. used      2006-11-19  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:47  

Additional Information
 Earth MOID = 1.88182 au 
 Jupiter MOID = 2.08635 au 
 T_jup = 3.202 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457433.5 (2016-Feb-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07126037873810086 1.1487e-07  
q 2.87073379698757 3.9799e-07 au
tp 2457797.106951970950
(2017-Feb-12.60695197)
0.0002985 TDB
node 237.2296157936801 4.632e-05 deg
peri 153.0991157771298 6.9971e-05 deg
i 9.038255707381254 8.7484e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4986 days (13.65 yr)  
   first obs. used      2006-11-19  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:47  

Additional Information
 Jupiter MOID = 2.08635 au 
 T_jup = 3.202 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.319577800075186E-14 -4.537288760625429E-14 -1.560411362934714E-11 -8.307387623486533E-14 -2.436338590902525E-12 -2.011851914870151E-14
q -4.537288760625429E-14 1.583931936573258E-13 5.939543743483263E-11 2.7981009539395E-13 9.342469412575902E-12 7.280457846984028E-14
tp -1.560411362934714E-11 5.939543743483263E-11 8.910317335579409E-8 1.108197853194965E-10 1.569589067700012E-8 3.509897509993067E-11
node -8.307387623486533E-14 2.7981009539395E-13 1.108197853194965E-10 2.145579623641628E-9 -2.099886949143827E-9 -1.478219721537098E-10
peri -2.436338590902525E-12 9.342469412575902E-12 1.569589067700012E-8 -2.099886949143827E-9 4.895938316100309E-9 1.518645895115381E-10
i -2.011851914870151E-14 7.280457846984028E-14 3.509897509993067E-11 -1.478219721537098E-10 1.518645895115381E-10 7.653465053631009E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO471275  

312848 (2011 UE78)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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