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115546 (2003 UH65)
Classification: Main-belt Asteroid          SPK-ID: 2115546
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0917029883013934 5.1084e-08  
a 2.963974872061818 2.0821e-08 au
q 2.692169519043509 1.5229e-07 au
i 11.38652766068239 4.5486e-06 deg
node 83.60025117448265 3.0516e-05 deg
peri 327.7267616681533 4.4852e-05 deg
M 106.8905726250049 3.2511e-05 deg
tp 2458647.089868159885
(2019-Jun-12.58986816)
0.00016685 TDB
period 1863.84676000731
5.10
1.9639e-05
5.377e-08
d
yr
n .1931489260407803 2.0352e-09 deg/d
Q 3.235780225080127 2.273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      9105 days (24.93 yr)  
   first obs. used      1996-04-15  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:42  

Additional Information
 Earth MOID = 1.71077 au 
 Jupiter MOID = 2.08671 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08945898418686078 5.0588e-08  
q 2.701779977974223 1.5025e-07 au
tp 2456785.856143239352
(2014-May-08.35614324)
0.00016927 TDB
node 83.70081527213856 3.0529e-05 deg
peri 328.3742206237464 4.5621e-05 deg
i 11.37979713359638 4.5462e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      9105 days (24.93 yr)  
   first obs. used      1996-04-15  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:42  

Additional Information
 Jupiter MOID = 2.08671 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.559188740724863E-15 -7.540702824552373E-15 -2.452257311560997E-12 1.779007888351093E-14 -6.09954951312812E-13 9.255964313708503E-16
q -7.540702824552373E-15 2.257610349830465E-14 7.516836108167285E-12 -5.249461288261429E-14 1.87166944162038E-12 -3.103066188985269E-15
tp -2.452257311560997E-12 7.516836108167285E-12 2.865110334796963E-8 4.018244319960496E-12 5.78199190564061E-9 -6.094487688675904E-13
node 1.779007888351093E-14 -5.249461288261429E-14 4.018244319960496E-12 9.320116390132443E-10 -9.130701798592115E-10 3.932099698459669E-12
peri -6.09954951312812E-13 1.87166944162038E-12 5.78199190564061E-9 -9.130701798592115E-10 2.081310148816296E-9 -3.96459452893997E-12
i 9.255964313708503E-16 -3.103066188985269E-15 -6.094487688675904E-13 3.932099698459669E-12 -3.96459452893997E-12 2.066766348467124E-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 14.56   n/a E2021B55  
diameter diameter 4.423 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115546 (2003 UH65)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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