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10841 Ericforbes (1994 PP1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2010841
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05415019123686026 9.2448e-08  
a 1.938683254915604 1.2117e-08 au
q 1.833703185914226 1.8525e-07 au
i 23.39350401242911 7.5841e-06 deg
node 60.02228433187934 1.8128e-05 deg
peri 190.6377318336997 8.3502e-05 deg
M 112.4340150698498 8.7947e-05 deg
tp 2457292.568629675951
(2015-Sep-27.06862968)
0.00023999 JED
period 985.958682057103
2.70
9.2437e-06
2.531e-08
d
yr
n .3651268623639445 3.4232e-09 deg/d
Q 2.043663323916983 1.2773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      9355 days (25.61 yr)  
   first obs. used      1989-11-02  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54324  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:05:26  

Additional Information
 Earth MOID = .822107 au 
 Jupiter MOID = 2.96656 au 
 T_jup = 3.803 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO233581  
rotation period rot_per 4.908 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) Minor Planet Bul. 42, 267-276.]

10841 Ericforbes           Discovered 1994 Aug. 12 by R. H. McNaught at Siding Spring.
Eric Gray Forbes (1933-1984) was a professor and director of the History of Medicine and Science Unit at Edinburgh University. Forbes led `Scotland's Cultural Heritage' group and was a prolific author, researching extensively on the history of astronomy and navigation.
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 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1994 PP1 = 1989 VG4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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