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 ]  
4073 Ruianzhongxue (1981 UE10)
Classification: Main-belt Asteroid          SPK-ID: 2004073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766311805293149 3.4522e-08  
a 3.175113920765156 1.7524e-08 au
q 2.614289800625345 1.1252e-07 au
i 2.069911453150014 3.7224e-06 deg
node 144.2179196224426 0.0001134 deg
peri 189.8485458089825 0.00011398 deg
M 342.7307579966343 1.3009e-05 deg
tp 2459099.630699283387
(2020-Sep-07.13069928)
7.4938e-05 TDB
period 2066.509446973062
5.66
1.7108e-05
4.684e-08
d
yr
n .1742068010031665 1.4422e-09 deg/d
Q 3.735938040904967 2.0619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      24327 days (66.60 yr)  
   first obs. used      1953-11-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:09  

Additional Information
 Earth MOID = 1.60429 au 
 Jupiter MOID = 1.64183 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456522.5 (2013-Aug-18.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789598364258195 3.4404e-08  
q 2.603894115856523 1.1239e-07 au
tp 2457042.043213933876
(2015-Jan-19.54321393)
7.1752e-05 TDB
node 144.3539115089376 0.00011368 deg
peri 190.8548025569551 0.00011425 deg
i 2.068229105799452 3.7209e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      24327 days (66.60 yr)  
   first obs. used      1953-11-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:09  

Additional Information
 Jupiter MOID = 1.64183 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.183667240271439E-15 -3.83744048086302E-15 3.074492998316313E-13 -2.055305637409743E-15 7.1249591695824E-14 1.350337171458934E-16
q -3.83744048086302E-15 1.263149856190198E-14 -9.445505960119631E-13 7.525679829288394E-15 -2.312929215933644E-13 -3.702468496400793E-16
tp 3.074492998316313E-13 -9.445505960119631E-13 5.148300916394123E-9 -5.087776491803452E-12 8.475631101908286E-10 5.935869853584629E-13
node -2.055305637409743E-15 7.525679829288394E-15 -5.087776491803452E-12 1.292204178222432E-8 -1.291422866409902E-8 4.776415564363204E-11
peri 7.1249591695824E-14 -2.312929215933644E-13 8.475631101908286E-10 -1.291422866409902E-8 1.305268123165155E-8 -4.763940696069054E-11
i 1.350337171458934E-16 -3.702468496400793E-16 5.935869853584629E-13 4.776415564363204E-11 -4.763940696069054E-11 1.384539390429342E-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 12.2   n/a MPO347555  
diameter diameter 12.623 km 3.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.122   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

4073 Ruianzhongxue           Discovered 1981 Oct. 23 at the Purple Mountain Observatory.
Ruianzhongxue (Ruian Middle School) in Zhejiang province is celebrating its 110th anniversary. Founded by progressive educator Sun Yirang (1848-1908), the school specializes in mathematics. Many prominent scholars were trained there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ 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
1922-Jan-23 11:51 00:03 Jupiter 1.91352240299674 1.91352136587351 1.91352344012128 2.39470362986999 2.20211343221745 2423077.993708338 2.53286603749108 114.491892664429 8.13388595066049 -80.5797232591116 2294942.59093552 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
1932-Dec-16 11:24 00:02 Jupiter 1.74027565762845 1.74027503084605 1.74027628441145 1.81025239582899 1.5177545431814 2427057.974729559 2.11290702899891 113.326686174398 23.7505894301949 89.8475803583774 2353452.6972699 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
1943-Nov-13 05:36 00:02 Jupiter 1.67874964079702 1.67874931387911 1.67874996771465 1.71712018749976 1.39262003357726 2431041.733165977 1.73379975827697 92.2585651747882 31.61441771467 -74.7576547449245 2900126.7832045 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
1954-Sep-29 13:49 00:01 Jupiter 1.75413318217458 1.75413272011858 1.75413364423038 2.2047228702154 1.97359015906686 2435015.075778545 1.42721865111884 42.6092129878225 9.52882561488779 89.4750917208251 2087465.6389726 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
1965-Jul-29 12:34 00:01 Jupiter 1.93313786983158 1.93313736900587 1.93313837065728 3.33208896122762 3.19788962588617 2438971.023677452 1.12229186654346 40.5940864794351 16.1052656442481 -81.5649633516007 2786011.93737503 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2052-Aug-03 14:31 00:01 Jupiter 1.87704969509695 1.87704918133136 1.87705020886244 2.25398714627189 2.04400439409418 2470753.104556501 1.03046267947763 61.8720400776792 4.23511282809128 -86.3149632246786 2455143.35060877 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2063-Jun-30 03:29 00:01 Jupiter 1.73119931103869 1.73119887891837 1.73119974315892 1.77831584146824 1.47779187168178 2474735.645249164 1.38232175343322 87.4613857889316 28.266977454892 89.6851736057027 2445349.35255746 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2074-May-29 10:03 00:02 Jupiter 1.69884464462354 1.69884430027783 1.69884498896925 1.78476424159657 1.47925948363672 2478721.918646173 1.80123298900385 90.6080958128039 24.3923927000619 -80.5204608897532 2961388.17961713 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2085-Apr-13 05:05 00:02 Jupiter 1.79540368409398 1.79540296186746 1.79540440632008 2.36725317169183 2.15878255006988 2482693.712043011 2.28020918327491 44.8638595780053 4.69325015183397 86.5705497820729 1548248.60548844 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2096-Feb-12 02:44 00:03 Jupiter 1.97664894496763 1.97664790723549 1.97664998269999 3.54450541930041 3.42147481191235 2486650.614008235 2.65981366494066 70.0511843897808 21.3175544004105 -62.7602142049691 2107560.11533754 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2183-Feb-21 15:45 00:05 Jupiter 1.85147181514984 1.85147033161685 1.85147329868746 2.15217028916623 1.92791723528002 2518436.156089555 4.50958395951995 194.274659008528 5.17815857492215 -88.0741718550854 2117561.33601762 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05
2194-Jan-21 08:26 00:05 Jupiter 1.72948953434773 1.72948877687634 1.72949029182679 1.76839513153514 1.46550862851869 2522422.851227164 4.79106263266159 245.898375485694 28.9024958447983 87.5653180387866 2470251.2442939 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:22 2020-Jun-23 16:05

Alternate Designations
 1981 UE10 = 1953 VU2 = 1986 PA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 09:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin