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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3253517104333271 4.7059e-08  
a 2.570043557395328 1.1354e-08 au
q 1.733875490108606 1.2559e-07 au
i 5.354061687440893 5.2082e-06 deg
node 10.00439123822482 2.923e-05 deg
peri 22.00196005991132 3.013e-05 deg
M 123.0081268828727 7.2705e-06 deg
tp 2458486.290072287730
(2019-Jan-02.79007229)
2.7825e-05 TDB
period 1504.905234047525
4.12
9.9729e-06
2.73e-08
d
yr
n .2392177207276769 1.5853e-09 deg/d
Q 3.406211624682051 1.5048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1639  
   data-arc span      26158 days (71.62 yr)  
   first obs. used      1948-10-08  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:32  

Additional Information
 Earth MOID = .740954 au 
 Jupiter MOID = 2.05413 au 
 T_jup = 3.348 
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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 14.6   n/a MPO313781  
diameter diameter 3.717 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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Alternate Designations
 1985 RB3 = 1948 TF = 1981 SH1 
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