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181651 (2007 UT59)
Classification: Main-belt Asteroid          SPK-ID: 2181651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0576055267076384 4.0136e-08  
a 2.76254740784985 1.7515e-08 au
q 2.603409409365839 1.1464e-07 au
i 3.122873956868776 4.3946e-06 deg
node 233.1342163071463 8.8917e-05 deg
peri 73.02130653913709 0.00010035 deg
M 43.55487150535645 4.5005e-05 deg
tp 2458997.592886664065
(2020-May-28.09288666)
0.00020977 TDB
period 1677.115745639457
4.59
1.595e-05
4.367e-08
d
yr
n .2146542365582154 2.0414e-09 deg/d
Q 2.921685406333862 1.8524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      6590 days (18.04 yr)  
   first obs. used      2002-10-04  
   last obs. used      2020-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:28  

Additional Information
 Earth MOID = 1.58853 au 
 Jupiter MOID = 2.20716 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457584.5 (2016-Jul-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05799296643738672 4.043e-08  
q 2.60321604889673 1.1571e-07 au
tp 2457329.426521975855
(2015-Nov-02.92652198)
0.00020887 TDB
node 233.206288135486 8.8781e-05 deg
peri 75.10286201041146 9.9934e-05 deg
i 3.124685757249004 4.3987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      6590 days (18.04 yr)  
   first obs. used      2002-10-04  
   last obs. used      2020-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:28  

Additional Information
 Jupiter MOID = 2.20716 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.634579946441836E-15 -4.63199389306266E-15 2.901605097584241E-12 9.084947045139615E-16 5.974057732487178E-13 -1.78025606477307E-15
q -4.63199389306266E-15 1.338921344870169E-14 -8.560189650843694E-12 -3.501445728495102E-15 -1.759739475170556E-12 5.309209116613463E-15
tp 2.901605097584241E-12 -8.560189650843694E-12 4.362478246225174E-8 -1.105044391114581E-11 9.609883952991383E-9 -7.382485013353326E-12
node 9.084947045139615E-16 -3.501445728495102E-15 -1.105044391114581E-11 7.882036008402453E-9 -7.872946145754041E-9 -1.391218732465371E-10
peri 5.974057732487178E-13 -1.759739475170556E-12 9.609883952991383E-9 -7.872946145754041E-9 9.986815535852904E-9 1.373533448815315E-10
i -1.78025606477307E-15 5.309209116613463E-15 -7.382485013353326E-12 -1.391218732465371E-10 1.373533448815315E-10 1.934888932026124E-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 16.37   n/a E2021B55  
diameter diameter 3.908 km 0.608 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.026   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

181651 (2007 UT59)          Discovered 2007-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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