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11007 Granahan (1980 VA3)
Classification: Main-belt Asteroid          SPK-ID: 2011007
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361537671694113 1.0871e-08  
a 2.234825006918431 5.336e-09 au
q 1.93054516326208 2.6309e-08 au
i 3.196802639449609 6.7177e-07 deg
node 349.3858311387901 2.1197e-05 deg
peri 41.82890739039836 2.2147e-05 deg
M 8.70229609494184 7.0186e-06 deg
tp 2459171.001830579782
(2020-Nov-17.50183058)
2.3793e-05 TDB
period 1220.291848889288
3.34
4.3705e-06
1.197e-08
d
yr
n .295011394469014 1.0566e-09 deg/d
Q 2.53910485057478 6.0625e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2405  
   data-arc span      24629 days (67.43 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:28:04  

Additional Information
 Earth MOID = .936022 au 
 Jupiter MOID = 2.88857 au 
 T_jup = 3.625 
[ 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 14.24   n/a E2021B10  
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

[ show close-approach data ]
Alternate Designations
 1980 VA3 = 1980 TV12 = 1990 VF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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