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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452707711019908 1.081e-08  
a 2.632877284439683 1.1077e-08 au
q 2.250397171112215 2.7014e-08 au
i 14.52250950373605 3.5189e-07 deg
node 338.2547595212261 2.4305e-06 deg
peri 15.66692629539256 9.0716e-06 deg
M 179.8875171274833 8.1229e-06 deg
tp 2458616.772448807858
(2019-May-13.27244881)
3.3158e-05 TDB
period 1560.430222794404
4.27
9.8471e-06
2.696e-08
d
yr
n .2307056058907365 1.4559e-09 deg/d
Q 3.015357397767151 1.2686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2492  
   data-arc span      14889 days (40.76 yr)  
   first obs. used      1980-09-04  
   last obs. used      2021-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:29:19  

Additional Information
 Earth MOID = 1.24637 au 
 Jupiter MOID = 2.41569 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 ]
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