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 ]  
11007 Granahan (1980 VA3)
Classification: Main-belt Asteroid          SPK-ID: 2011007
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362664257289298 1.0873e-08  
a 2.235189669259281 5.3309e-09 au
q 1.930608362203091 2.6313e-08 au
i 3.196800198086566 6.7167e-07 deg
node 349.3841956347827 2.1194e-05 deg
peri 41.87078583886324 2.2142e-05 deg
M 66.47609953846465 7.0039e-06 deg
tp 2459171.110838524287
(2020-Nov-17.61083852)
2.3752e-05 TDB
period 1220.590538473259
3.34
4.3666e-06
1.196e-08
d
yr
n .2949392025029915 1.0551e-09 deg/d
Q 2.539770976315473 6.0573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2454  
   data-arc span      24684 days (67.58 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:28:24  

Additional Information
 Earth MOID = .936594 au 
 Jupiter MOID = 2.88879 au 
 T_jup = 3.625 
[ 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 14.25   n/a MPCxxxxx  
diameter diameter 3.586 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.82 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.344   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11007 Granahan           Discovered 1980 Nov. 1 by S. J. Bus at Palomar.
James C. Granahan (b. 1965) is a scientist at Leidos Inc. whose research includes spectroscopic analysis of asteroids Gaspra and Ida using data from the Galileo spacecraft mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

Alternate Designations
 1980 VA3 = 1980 TV12 = 1990 VF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-26 23:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin