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115545 (2003 UW64)
Classification: Main-belt Asteroid          SPK-ID: 2115545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05206810613917306 3.6085e-08  
a 2.672928621594914 1.4999e-08 au
q 2.533754290423277 9.4747e-08 au
i 12.57383484024009 4.4197e-06 deg
node 118.4904682178481 2.1645e-05 deg
peri 153.7439494358586 5.8595e-05 deg
M 86.31182268200394 5.3296e-05 deg
tp 2458817.809874680571
(2019-Nov-30.30987468)
0.00023664 TDB
period 1596.171194560109
4.37
1.3435e-05
3.678e-08
d
yr
n .2255397173103433 1.8984e-09 deg/d
Q 2.812102952766552 1.578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1997-03-05  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:03  

Additional Information
 Earth MOID = 1.52044 au 
 Jupiter MOID = 2.32953 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05152682932683276 3.6083e-08  
q 2.536465902057899 9.4857e-08 au
tp 2457228.627884509212
(2015-Jul-25.12788451)
0.00024148 TDB
node 118.5273025255363 2.167e-05 deg
peri 155.6064276135578 5.9153e-05 deg
i 12.56469730369477 4.4158e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1997-03-05  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:03  

Additional Information
 Jupiter MOID = 2.32953 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.301978516719413E-15 -3.385121224076945E-15 2.326210281245924E-13 1.107064169825079E-15 5.257594495805478E-14 -2.37006869614188E-15
q -3.385121224076945E-15 8.997927512927539E-15 -1.276996640961983E-12 -3.336865681403014E-15 -2.800037472219718E-13 6.495706647029348E-15
tp 2.326210281245924E-13 -1.276996640961983E-12 5.831109400442292E-8 1.503145897835976E-10 1.331739342869206E-8 1.425590251038365E-11
node 1.107064169825079E-15 -3.336865681403014E-15 1.503145897835976E-10 4.695700734956598E-10 -4.233651130103643E-10 1.730416502587946E-11
peri 5.257594495805478E-14 -2.800037472219718E-13 1.331739342869206E-8 -4.233651130103643E-10 3.499082474765712E-9 -1.364119380073335E-11
i -2.37006869614188E-15 6.495706647029348E-15 1.425590251038365E-11 1.730416502587946E-11 -1.364119380073335E-11 1.949930628274594E-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 15.33   n/a MPCxxxxx  
diameter diameter 2.386 km 0.732 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115545 (2003 UW64)          Discovered 2003-Oct-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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