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 ]  
46535 (1981 EB36)
Classification: Main-belt Asteroid          SPK-ID: 2046535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606973872737154 2.6546e-08  
a 2.45893109855833 8.3911e-09 au
q 2.063787295533919 6.4963e-08 au
i 2.124598829709471 4.0921e-06 deg
node 3.835044665586756 9.6094e-05 deg
peri 109.2503122096502 9.726e-05 deg
M 109.1246077335479 1.5925e-05 deg
tp 2458573.588198002804
(2019-Mar-31.08819800)
6.1484e-05 TDB
period 1408.373893945669
3.86
7.2092e-06
1.974e-08
d
yr
n .255613939982537 1.3084e-09 deg/d
Q 2.85407490158274 9.7396e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1292  
   data-arc span      15830 days (43.34 yr)  
   first obs. used      1977-02-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:07  

Additional Information
 Earth MOID = 1.08146 au 
 Jupiter MOID = 2.24701 au 
 T_jup = 3.472 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456804.5 (2014-May-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609210015889649 2.6542e-08  
q 2.063208007056386 6.4939e-08 au
tp 2457166.426107321958
(2015-May-23.92610732)
5.9177e-05 TDB
node 3.853429816948266 9.608e-05 deg
peri 109.537300835744 9.724e-05 deg
i 2.125382477779845 4.0908e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1292  
   data-arc span      15830 days (43.34 yr)  
   first obs. used      1977-02-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:07  

Additional Information
 Jupiter MOID = 2.24701 au 
 T_jup = 3.472 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.044894394662426E-16 -1.713448809353305E-15 -3.947970242180003E-13 1.593039091211442E-15 -1.115316041272657E-13 3.607217551925856E-17
q -1.713448809353305E-15 4.217017879250517E-15 1.067428160952084E-12 -3.772971186489511E-15 2.936977381920597E-13 -2.427755380357123E-17
tp -3.947970242180003E-13 1.067428160952084E-12 3.501870740384462E-9 2.932168028964208E-12 8.982339102639226E-10 6.794372163519215E-13
node 1.593039091211442E-15 -3.772971186489511E-15 2.932168028964208E-12 9.231306741919222E-9 -9.224067549996132E-9 1.639458713699469E-10
peri -1.115316041272657E-13 2.936977381920597E-13 8.982339102639226E-10 -9.224067549996132E-9 9.455620396010708E-9 -1.636737654984322E-10
i 3.607217551925856E-17 -2.427755380357123E-17 6.794372163519215E-13 1.639458713699469E-10 -1.636737654984322E-10 1.673428779542316E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO309514  

46535 (1981 EB36)          Discovered 1981-Mar-03 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EB36 = 1977 DN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 11:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin