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 ]  
58115 (1981 EB7)
Classification: Main-belt Asteroid          SPK-ID: 2058115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05250782417114765 5.4563e-08  
a 3.122071855662946 2.9923e-08 au
q 2.958138655616108 1.8402e-07 au
i 8.476299071159424 5.8697e-06 deg
node 316.0103622220064 3.7686e-05 deg
peri 331.1143632195915 7.4055e-05 deg
M 334.2370166341847 6.4691e-05 deg
tp 2459344.697064949025
(2021-May-10.19706495)
0.00036199 TDB
period 2014.943015121808
5.52
2.8968e-05
7.931e-08
d
yr
n .1786651023370193 2.5686e-09 deg/d
Q 3.286005055709785 3.1494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      14325 days (39.22 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:28:05  

Additional Information
 Earth MOID = 1.94331 au 
 Jupiter MOID = 1.90603 au 
 T_jup = 3.197 
[ show covariance matrix ]

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 14.84   n/a E2021B10  
diameter diameter 4.251 km 0.815 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58115 (1981 EB7)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/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 2021-May-16 04:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin