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48411 Johnventre (1985 RB3)
Classification: Main-belt Asteroid          SPK-ID: 2048411
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220639682903019 8.2608e-08  
a 2.572611712509811 1.4276e-08 AU
q 1.744066175508792 2.1821e-07 AU
i 5.354732142643901 7.919e-06 deg
node 10.07635506137203 4.822e-05 deg
peri 21.68059532435091 4.9705e-05 deg
M 5.504895743271123 8.1528e-06 deg
tp 2456977.453425257710
(2014-Nov-15.95342526)
3.4097e-05 JED
period 1507.161496630698
4.13
1.2545e-05
3.435e-08
d
yr
n .2388596051616168 1.9882e-09 deg/d
Q 3.40115724951083 1.8874e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      24277 days (66.47 yr)  
   first obs. used      1948-10-08  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:12:56  

Additional Information
 Earth MOID = .750776 AU 
 T_jup = 3.348 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO313781  

48411 Johnventre           Discovered 1985 Sept. 5 by H. Debehogne at the European Southern Observatory.
John Ventre (b. 1935) is a teacher, friend, meteorite expert, Cincinnati Observatory Center historian, and resident "lunatic". Name suggested by F. N. Bowman.
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 2013-09-19Last Updated: 2013-09-23

[ show close-approach data ]
Alternate Designations
 1985 RB3 = 1948 TF = 1981 SH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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