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 ]  
46077 (2001 EJ5)
Classification: Main-belt Asteroid          SPK-ID: 2046077
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791643325968449 4.0501e-08  
a 3.055032582863387 2.1248e-08 au
q 2.816995340514551 1.2273e-07 au
i 9.145071893477692 5.8738e-06 deg
node 136.7583979345706 3.5763e-05 deg
peri 154.7499120061277 5.68e-05 deg
M 103.8709858857108 4.4006e-05 deg
tp 2458437.752013788470
(2018-Nov-15.25201379)
0.00023785 TDB
period 1950.393300965293
5.34
2.0348e-05
5.571e-08
d
yr
n .1845781565296743 1.9256e-09 deg/d
Q 3.293069825212223 2.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-01-09  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:19  

Additional Information
 Earth MOID = 1.80414 au 
 Jupiter MOID = 1.91422 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456804.5 (2014-May-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08104742521908494 4.0925e-08  
q 2.806693659010937 1.2484e-07 au
tp 2456491.718095878878
(2013-Jul-18.21809588)
0.00022828 TDB
node 136.9188983347855 3.571e-05 deg
peri 155.4063777119352 5.5502e-05 deg
i 9.153211189325614 5.8852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-01-09  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:19  

Additional Information
 Jupiter MOID = 1.91422 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.674858721841393E-15 -5.046148940552777E-15 3.858532015923615E-12 -8.565947588872177E-15 7.184308916873659E-13 -2.336707166774766E-15
q -5.046148940552777E-15 1.558391180231702E-14 -1.196190030876632E-11 2.62175195024774E-14 -2.218561793880287E-12 8.074366309911963E-15
tp 3.858532015923615E-12 -1.196190030876632E-11 5.211189565175314E-8 -2.605327281964108E-11 9.753652089786573E-9 -1.389008014175363E-11
node -8.565947588872177E-15 2.62175195024774E-14 -2.605327281964108E-11 1.275183131402288E-9 -1.263352575783659E-9 1.089680712098568E-10
peri 7.184308916873659E-13 -2.218561793880287E-12 9.753652089786573E-9 -1.263352575783659E-9 3.080479091512386E-9 -1.102047270132214E-10
i -2.336707166774766E-15 8.074366309911963E-15 -1.389008014175363E-11 1.089680712098568E-10 -1.102047270132214E-10 3.463538010129451E-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 14.3   n/a MPO449291  
diameter diameter 5.413 km 1.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46077 (2001 EJ5)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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-14 05:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin