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187528 (2006 UM61)
Classification: Main-belt Asteroid          SPK-ID: 2187528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166614686340647 5.5687e-08  
a 2.288177965615759 1.2308e-08 au
q 1.906933911583109 1.2908e-07 au
i 4.335050025506829 6.4349e-06 deg
node 39.01452364935779 7.7799e-05 deg
peri 346.5780349429034 7.9544e-05 deg
M 50.7757319455602 1.8516e-05 deg
tp 2459022.185435405363
(2020-Jun-21.68543541)
6.448e-05 TDB
period 1264.250475461286
3.46
1.0201e-05
2.793e-08
d
yr
n .2847536995140517 2.2976e-09 deg/d
Q 2.669422019648409 1.4359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-10-17  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:47  

Additional Information
 Earth MOID = .910171 au 
 Jupiter MOID = 2.78009 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457066.5 (2015-Feb-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167835219657753 5.5861e-08  
q 1.903548633377568 1.2962e-07 au
tp 2456493.892836897204
(2013-Jul-20.39283690)
5.9048e-05 TDB
node 39.0595908973457 7.7676e-05 deg
peri 346.4352329855598 7.9386e-05 deg
i 4.339960924068033 6.4413e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-10-17  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:47  

Additional Information
 Jupiter MOID = 2.78009 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.120410311680226E-15 -7.218335773021495E-15 -6.790666026032714E-13 6.912246134481418E-15 -2.195718033885409E-13 -4.074035029599552E-15
q -7.218335773021495E-15 1.680150656947958E-14 1.587605751904762E-12 -1.364421854288059E-14 5.223883537034615E-13 9.63556137589615E-15
tp -6.790666026032714E-13 1.587605751904762E-12 3.486621412030556E-9 1.752234825234546E-11 9.965002396018075E-10 3.053091402537747E-12
node 6.912246134481418E-15 -1.364421854288059E-14 1.752234825234546E-11 6.033597508488886E-9 -6.010591685579405E-9 -1.338811382605066E-10
peri -2.195718033885409E-13 5.223883537034615E-13 9.965002396018075E-10 -6.010591685579405E-9 6.30211484921237E-9 1.34434459577472E-10
i -4.074035029599552E-15 9.63556137589615E-15 3.053091402537747E-12 -1.338811382605066E-10 1.34434459577472E-10 4.149087803962001E-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 17.35   n/a MPCxxxxx  

187528 (2006 UM61)          Discovered 2006-Oct-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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