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187824 (1999 UH32)
Classification: Main-belt Asteroid          SPK-ID: 2187824
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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Oct-20 15:59 00:06 Jupiter 1.96824828465793 1.96824501908779 1.96825155025593 3.2222628103117 3.08582095540798 2417504.166113561 6.48048794683317 414.340712070714 13.4792263925095 -63.6805812512644 2688144.62078209 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
1917-Jan-26 08:00 00:05 Jupiter 1.69520206669602 1.69520155747892 1.695202575919 4.10062753635434 3.97691195937573 2421254.833085455 5.19005137396205 360.173583258255 19.0027539794199 -87.6620336707773 2675422.60679407 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
1989-Jun-14 23:30 00:02 Jupiter 1.86189433524783 1.8618933550055 1.86189531549377 3.41776537329971 3.2819612884904 2447692.479451356 1.57227330996031 153.167815012366 12.9925834186979 -70.8826283496407 2557289.32679923 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
1999-Oct-03 21:07 < 00:01 Jupiter 1.72683560300074 1.72683501267279 1.72683619333448 4.19464606396303 4.0760329277238 2451455.379673617 0.884279016381254 282.497219370161 20.2803347854936 -86.2242195041542 2540806.67649233 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
2072-Feb-12 18:47 00:03 Jupiter 1.7837217529907 1.78372060155741 1.783722904439 3.64799591917392 3.5154159488402 2477885.282697408 3.09353416696549 287.204324428671 13.8065236841878 -77.3058489476044 2530830.92271171 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
2082-Jun-09 15:02 00:04 Jupiter 1.79675740431181 1.79675540427524 1.79675940442303 4.28508090826699 4.17361759209554 2481655.126649807 3.55481317626633 636.382888557141 32.8435042070388 -81.7504184602296 2252121.22502352 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
2154-Oct-18 04:33 00:07 Jupiter 1.73542387594143 1.73542240137781 1.73542535058062 3.87013102570436 3.74189227721638 2508082.689861583 7.42687182508656 608.306051123419 14.6964156888735 -81.8330213748178 2562700.61972361 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57
2165-Feb-12 14:31 00:08 Jupiter 1.89794482719857 1.89794011195064 1.8979495426518 4.38151123573934 4.27844277764282 2511853.105058827 8.04482251751489 1036.73261406291 36.4101420649238 -77.2306778784094 2581040.52183137 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:59 2021-Apr-13 21:57

Alternate Designations
 1999 UH32 = 2005 UO244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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