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 ]  
4860 Gubbio (1987 EP)
Classification: Main-belt Asteroid          SPK-ID: 2004860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145125830495466 1.0948e-08  
a 2.633135769413744 1.1141e-08 au
q 2.250999754070257 2.7245e-08 au
i 14.5215528326094 3.5233e-07 deg
node 338.2550406595031 2.4341e-06 deg
peri 15.64398526747357 9.1791e-06 deg
M 134.7083757243482 8.0264e-06 deg
tp 2458616.516731125097
(2019-May-13.01673113)
3.3359e-05 TDB
period 1560.66002328737
4.27
9.9047e-06
2.712e-08
d
yr
n .2306716354800304 1.4639e-09 deg/d
Q 3.015271784757232 1.2758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2332  
   data-arc span      14808 days (40.54 yr)  
   first obs. used      1980-09-04  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:54:06  

Additional Information
 Earth MOID = 1.24603 au 
 Jupiter MOID = 2.4156 au 
 T_jup = 3.339 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.59   n/a MPCxxxxx  
diameter diameter 25.733 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.36 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]
geometric albedo albedo 0.037   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4860 Gubbio (1987 EP)          Discovered 1987-Mar-03 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 EP = 1980 RB4 = 1980 RG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 12:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin