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233843 (2008 UZ305)
Classification: Main-belt Asteroid          SPK-ID: 2233843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420484452252846 7.2644e-08  
a 3.193042583923966 3.4016e-08 au
q 2.739475849339442 2.3209e-07 au
i 12.36604338778092 9.9123e-06 deg
node 19.75481000176195 2.6174e-05 deg
peri 113.667815318295 4.5323e-05 deg
M 298.9576748627903 3.5339e-05 deg
tp 2459353.873566464180
(2021-May-19.37356646)
0.00020733 TDB
period 2084.037323957676
5.71
3.3302e-05
9.118e-08
d
yr
n .1727416279264829 2.7604e-09 deg/d
Q 3.646609318508491 3.8848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:48  

Additional Information
 Earth MOID = 1.78135 au 
 Jupiter MOID = 1.48255 au 
 T_jup = 3.144 
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Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423744959966692 7.4048e-08  
q 2.740586834126574 2.3818e-07 au
tp 2457275.979359461905
(2015-Sep-10.47935946)
0.00018972 TDB
node 19.76646524954085 2.6179e-05 deg
peri 114.6386923972505 4.4735e-05 deg
i 12.36411266251368 9.9132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:48  

Additional Information
 Jupiter MOID = 1.48255 au 
 T_jup = 3.144 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.483035348412306E-15 -1.75057837595226E-14 9.935719760525716E-12 -4.779751418696559E-14 1.935945252069795E-12 -7.570619783198241E-15
q -1.75057837595226E-14 5.67302484735419E-14 -3.006151448192567E-11 1.478441219514014E-13 -5.868929552085554E-12 2.408677490903824E-14
tp 9.935719760525716E-12 -3.006151448192567E-11 3.599502735771674E-8 -1.473271176171832E-10 6.920155522691405E-9 -8.019871109663851E-12
node -4.779751418696559E-14 1.478441219514014E-13 -1.473271176171832E-10 6.853576984176668E-10 -6.969574584350659E-10 -1.329266514389223E-10
peri 1.935945252069795E-12 -5.868929552085554E-12 6.920155522691405E-9 -6.969574584350659E-10 2.001190378084393E-9 1.28328268939896E-10
i -7.570619783198241E-15 2.408677490903824E-14 -8.019871109663851E-12 -1.329266514389223E-10 1.28328268939896E-10 9.827244944426114E-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 15.6   n/a MPO454691  
diameter diameter 2.747 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233843 (2008 UZ305)          Discovered 2008-Oct-30 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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