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442136 (2010 US78)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346881172125656 1.2688e-07  
a 3.201789687853648 1.1372e-07 au
q 2.770546663086033 4.6985e-07 au
i 11.19653478125405 1.1635e-05 deg
node 353.1182736448451 3.6657e-05 deg
peri 331.6339207545881 4.6102e-05 deg
M 305.268201574227 3.105e-05 deg
tp 2459318.644813202897
(2021-Apr-14.14481320)
0.00019025 TDB
period 2092.606785219579
5.73
0.00011149
3.052e-07
d
yr
n .1720342314393408 9.1655e-09 deg/d
Q 3.633032712621264 1.2904e-07 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      3138 days (8.59 yr)  
   first obs. used      2010-09-03  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:17:09  

Additional Information
 Earth MOID = 1.76534 au 
 Jupiter MOID = 1.77002 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339251994970093 1.2707e-07  
q 2.773075526025428 4.7022e-07 au
tp 2457231.794979283330
(2015-Jul-28.29497928)
0.00015153 TDB
node 353.1581067256515 3.6649e-05 deg
peri 332.3360775734298 4.6085e-05 deg
i 11.19780945103374 1.1634e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      3138 days (8.59 yr)  
   first obs. used      2010-09-03  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:17:09  

Additional Information
 Jupiter MOID = 1.77002 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.614731150363305E-14 -5.883240839746519E-14 4.039693147600697E-12 -4.538939341494342E-14 7.406409328593735E-13 -3.292073182672777E-14
q -5.883240839746519E-14 2.211056214520889E-13 -1.244281041067965E-11 1.491673371569356E-13 -2.230284813879326E-12 1.338468469417586E-13
tp 4.039693147600697E-12 -1.244281041067965E-11 2.296150297846589E-8 -5.006891978691361E-11 4.282348157022009E-9 -1.246017730555103E-11
node -4.538939341494342E-14 1.491673371569356E-13 -5.006891978691361E-11 1.343119485503494E-9 -1.325334232833932E-9 -1.108543242335597E-10
peri 7.406409328593735E-13 -2.230284813879326E-12 4.282348157022009E-9 -1.325334232833932E-9 2.123783815813924E-9 1.067806703545041E-10
i -3.292073182672777E-14 1.338468469417586E-13 -1.246017730555103E-11 -1.108543242335597E-10 1.067806703545041E-10 1.353535222901925E-10

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 15.9   n/a MPO472461  

442136 (2010 US78)          Discovered 2010-Sep-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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