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359727 (2011 UU28)
Classification: Main-belt Asteroid          SPK-ID: 2359727
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208493291842065 3.7844e-08  
a 2.624005246102628 2.2344e-08 au
q 2.306895972335286 9.5406e-08 au
i 13.98790624296425 5.2846e-06 deg
node 27.47350693903459 1.9763e-05 deg
peri 52.49620452516428 5.0514e-05 deg
M 25.31951430164021 4.0869e-05 deg
tp 2459091.306108203382
(2020-Aug-29.80610820)
0.0001764 TDB
period 1552.549570203881
4.25
1.983e-05
5.429e-08
d
yr
n .2318766543168891 2.9617e-09 deg/d
Q 2.94111451986997 2.5044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1996-04-12  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:20:09  

Additional Information
 Earth MOID = 1.3469 au 
 Jupiter MOID = 2.41459 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458151.5 (2018-Feb-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192913769896665 3.7743e-08  
q 2.312531733993944 9.5193e-08 au
tp 2457537.734640243277
(2016-May-29.23464024)
0.0001839 TDB
node 27.51462856595178 1.9734e-05 deg
peri 52.35304485846179 5.1265e-05 deg
i 13.99567332317015 5.2875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1996-04-12  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:20:09  

Additional Information
 Jupiter MOID = 2.41459 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.424512267164643E-15 -3.519701812107787E-15 1.563634948777663E-12 7.750434216639983E-15 4.365264388186196E-13 -8.487299754332062E-15
q -3.519701812107787E-15 9.0617057206491E-15 -5.002859359742835E-12 -1.670202805902532E-14 -1.345734939768967E-12 2.181739540729531E-14
tp 1.563634948777663E-12 -5.002859359742835E-12 3.381737689587214E-8 2.281246134800501E-11 8.716851086573686E-9 -6.519243268175733E-11
node 7.750434216639983E-15 -1.670202805902532E-14 2.281246134800501E-11 3.894347583843586E-10 -3.716262828874337E-10 -3.255897879733595E-11
peri 4.365264388186196E-13 -1.345734939768967E-12 8.716851086573686E-9 -3.716262828874337E-10 2.628103005294275E-9 1.470186450683691E-11
i -8.487299754332062E-15 2.181739540729531E-14 -6.519243268175733E-11 -3.255897879733595E-11 1.470186450683691E-11 2.795732633925052E-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 16.4   n/a MPO455596  
diameter diameter 3.307 km 0.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359727 (2011 UU28)          Discovered 2009-Apr-01 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Alternate Designations
 2011 UU28 = 2009 HA90 = 2010 HA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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