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9617 Grahamchapman (1993 FA5)
Classification: Main-belt Asteroid          SPK-ID: 2009617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133348593698177 2.8039e-08  
a 2.224408176035684 5.8425e-09 au
q 1.972305188223607 6.1739e-08 au
i 6.137405705413394 3.1055e-06 deg
node 165.5625441027408 2.8035e-05 deg
peri 281.116439971765 3.1328e-05 deg
M 153.7227604830248 1.4563e-05 deg
tp 2458483.064972310640
(2018-Dec-30.56497231)
4.8447e-05 TDB
period 1211.769873133001
3.32
4.7741e-06
1.307e-08
d
yr
n .2970861117954921 1.1705e-09 deg/d
Q 2.476511163847761 6.5046e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1909  
   data-arc span      25150 days (68.86 yr)  
   first obs. used      1951-08-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:59:55  

Additional Information
 Earth MOID = .99942 au 
 Jupiter MOID = 2.69529 au 
 T_jup = 3.631 
[ 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 14.7   n/a MPO358724  
diameter diameter 2.840 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.2856 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pray, D.; Pravec, P.; Kusnirak, P.; Reddy, V.; et al. (2006) CBET 414.]
[Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.]
geometric albedo albedo 0.245   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9617 Grahamchapman           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Graham Chapman (1941-1989) was a member of "Monty Python's Flying Circus", the internationally popular British television series of the 1970s known for its pioneering irreverent comedy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1993 FA5 = 1991 RN18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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