Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
187824 (1999 UH32)
Classification: Main-belt Asteroid          SPK-ID: 2187824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 .08704102157897202 4.2529e-08  
a 3.121277444964329 3.7366e-08 au
q 2.849598267523231 1.4288e-07 au
i 13.45765805294019 5.7402e-06 deg
node 38.61984650126212 2.3207e-05 deg
peri 227.70226698138 5.119e-05 deg
M 59.55271290942158 4.1916e-05 deg
tp 2458867.306870458308
(2020-Jan-18.80687046)
0.00023726 TDB
period 2014.174011139507
5.51
3.6169e-05
9.903e-08
d
yr
n .1787333159940496 3.2095e-09 deg/d
Q 3.392956622405428 4.0618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:58  

Additional Information
 Earth MOID = 1.85263 au 
 Jupiter MOID = 1.68367 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457696.5 (2016-Nov-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08557832342209315 4.2911e-08  
q 2.853923149948244 1.4398e-07 au
tp 2456860.593265778201
(2014-Jul-22.09326578)
0.00026007 TDB
node 38.75502842310301 2.3164e-05 deg
peri 228.927580352694 5.1645e-05 deg
i 13.47280474206066 5.7434e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:58  

Additional Information
 Jupiter MOID = 1.68367 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.841366403712426E-15 -6.008682578414858E-15 1.35432198559029E-12 -1.817514407647714E-15 2.455597085352827E-13 -2.964491427728168E-15
q -6.008682578414858E-15 2.073037242117296E-14 -9.453750922718122E-12 7.00389181001881E-15 -1.623236559375132E-12 1.313673599323787E-14
tp 1.35432198559029E-12 -9.453750922718122E-12 6.763683498817874E-8 1.663627275113496E-11 1.202558887313413E-8 -3.067935075592059E-11
node -1.817514407647714E-15 7.00389181001881E-15 1.663627275113496E-11 5.365590624511168E-10 -5.183441203984317E-10 -2.866392661713233E-11
peri 2.455597085352827E-13 -1.623236559375132E-12 1.202558887313413E-8 -5.183441203984317E-10 2.667227139057507E-9 2.260281023416726E-11
i -2.964491427728168E-15 1.313673599323787E-14 -3.067935075592059E-11 -2.866392661713233E-11 2.260281023416726E-11 3.298666232657791E-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 15.42   n/a E2021B55  
diameter diameter 6.028 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187824 (1999 UH32)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1999 UH32 = 2005 UO244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-17 21:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin