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 ]  
46577 (1992 EK12)
Classification: Main-belt Asteroid          SPK-ID: 2046577
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140641628569091 3.8598e-08  
a 2.527835562702816 9.2221e-09 au
q 2.172316652409427 9.8105e-08 au
i 11.94525201809447 5.5539e-06 deg
node 157.6567897606026 1.4101e-05 deg
peri 243.9931167714209 2.4838e-05 deg
M 115.7419136510663 1.91e-05 deg
tp 2458528.534977812235
(2019-Feb-14.03497781)
7.7406e-05 TDB
period 1467.985128531958
4.02
8.0333e-06
2.199e-08
d
yr
n .2452340919556957 1.342e-09 deg/d
Q 2.883354472996205 1.0519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      10286 days (28.16 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52075  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:51  

Additional Information
 Earth MOID = 1.20785 au 
 Jupiter MOID = 2.6085 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456881.5 (2014-Aug-12.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138905954990108 3.8556e-08  
q 2.177324512111286 9.7894e-08 au
tp 2457058.074015296685
(2015-Feb-04.57401530)
7.8032e-05 TDB
node 157.7051197382344 1.4083e-05 deg
peri 243.5874965227324 2.5096e-05 deg
i 11.94939393463452 5.5559e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      10286 days (28.16 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52075  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:51  

Additional Information
 Jupiter MOID = 2.6085 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.486590025199895E-15 -3.762067443648337E-15 -2.072126403267285E-12 1.938163377055498E-14 -5.561066619842501E-13 -1.602741872629005E-15
q -3.762067443648337E-15 9.583307445669278E-15 5.278890427855309E-12 -4.974663356984155E-14 1.414912869032196E-12 4.220344018413728E-15
tp -2.072126403267285E-12 5.278890427855309E-12 6.088967474183025E-9 -3.950634244535262E-11 1.62673482223983E-9 8.09402170014091E-12
node 1.938163377055498E-14 -4.974663356984155E-14 -3.950634244535262E-11 1.983407054380586E-10 -2.039123681717797E-10 2.215157559888615E-11
peri -5.561066619842501E-13 1.414912869032196E-12 1.62673482223983E-9 -2.039123681717797E-10 6.298278232339611E-10 -1.959392015886506E-11
i -1.602741872629005E-15 4.220344018413728E-15 8.09402170014091E-12 2.215157559888615E-11 -1.959392015886506E-11 3.086789529093278E-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 15.0   n/a MPO452807  
diameter diameter 2.580 km 0.656 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46577 (1992 EK12)          Discovered 1992-Mar-06 by UESAC at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EK12 = 1996 EE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 20:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin