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226538 (2003 UZ195)
Classification: Main-belt Asteroid          SPK-ID: 2226538
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311529575670257 5.334e-08  
a 3.18392374882265 2.4506e-08 au
q 2.766342732496668 1.7279e-07 au
i 6.010870266834071 5.375e-06 deg
node 71.40229808809083 5.1781e-05 deg
peri 317.1491117697333 5.517e-05 deg
M 342.8806071858443 1.7349e-05 deg
tp 2459099.179802318799
(2020-Sep-06.67980232)
9.9908e-05 TDB
period 2075.116169154831
5.68
2.3957e-05
6.559e-08
d
yr
n .1734842633637342 2.0029e-09 deg/d
Q 3.601504765148632 2.772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:59:39  

Additional Information
 Earth MOID = 1.77553 au 
 Jupiter MOID = 1.84294 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332959705309058 5.4346e-08  
q 2.75947216281897 1.7611e-07 au
tp 2456999.505820280385
(2014-Dec-08.00582028)
9.9452e-05 TDB
node 71.64288450267892 5.214e-05 deg
peri 313.6272108494098 5.5239e-05 deg
i 5.995044912876064 5.362e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:59:39  

Additional Information
 Jupiter MOID = 1.84294 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.953492633014957E-15 -9.505028598960386E-15 -2.26117261087575E-13 -2.039032685267067E-14 -4.366346343337354E-14 -1.822922546436422E-15
q -9.505028598960386E-15 3.101377501990756E-14 2.735510260325437E-13 6.439141880675804E-14 7.275132863033473E-14 7.245803348929401E-15
tp -2.26117261087575E-13 2.735510260325437E-13 9.890706064167773E-9 8.548198359394485E-12 1.855336875578293E-9 2.388955470816267E-13
node -2.039032685267067E-14 6.439141880675804E-14 8.548198359394485E-12 2.718530239484015E-9 -2.702297479066188E-9 -9.745330614149682E-11
peri -4.366346343337354E-14 7.275132863033473E-14 1.855336875578293E-9 -2.702297479066188E-9 3.051308945344747E-9 9.692394954681556E-11
i -1.822922546436422E-15 7.245803348929401E-15 2.388955470816267E-13 -9.745330614149682E-11 9.692394954681556E-11 2.875094964663073E-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 15.3   n/a MPO450050  
diameter diameter 4.404 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226538 (2003 UZ195)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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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
1909-Oct-27 20:32 00:03 Jupiter 1.92342187610904 1.92342104900718 1.92342270321461 2.4026608176289 2.21179419755716 2418607.355792081 3.2395136413875 203.670886360275 13.7571817795112 86.8608094137544 2296679.1172813 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2007-Mar-24 03:49 < 00:01 Jupiter 1.87616115140808 1.87616069522904 1.87616160758711 2.7742327119461 2.60642199664771 2454183.658837773 0.444709976797442 64.3677266688302 12.2671487750989 82.2077168988322 2600307.93238618 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2018-Jan-27 14:28 < 00:01 Jupiter 1.83678748178776 1.83678696973558 1.83678799384006 2.4186284610135 2.21979204722529 2458146.102873826 0.346086834976948 102.734613268595 12.9237053784982 82.5409616002859 2127841.19574999 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2028-Dec-03 05:53 < 00:01 Jupiter 1.89365738741118 1.8936568173195 1.89365795750276 2.37292675097107 2.17627948227595 2462108.744856163 0.650501689563295 100.48757764162 13.9787013442396 85.6203906734924 2178312.94848253 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2126-Apr-25 22:44 00:04 Jupiter 1.89132989128987 1.8913289996231 1.89133078295846 2.88247128563952 2.72267347266428 2497680.446993137 3.54324329170734 124.029048849804 12.5451388751061 79.4105332507341 2225903.77034615 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2137-Feb-25 10:31 00:04 Jupiter 1.8258035536041 1.82580304336688 1.82580406384141 2.49263944298292 2.29900327724194 2501638.937872700 3.831385966403 87.9014031917249 15.681379306872 83.3603677910505 1809649.28850841 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2148-Jan-03 15:49 00:04 Jupiter 1.86347080841561 1.86346995100815 1.86347166583038 2.38813043041976 2.18954023071309 2505603.158840929 4.26613736273437 250.478787856174 14.3738508167944 82.2222115835608 2102983.78637373 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59
2158-Nov-04 13:09 00:05 Jupiter 1.98228975842054 1.98228839003742 1.98229112681437 2.668873005757 2.50365594825909 2509561.047816944 4.79534026761192 273.674552446712 18.1188022712009 82.2215956437985 2485605.2238321 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:40 2020-Dec-17 23:59

Alternate Designations
 2003 UZ195 = 1995 HR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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