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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3253517043850818 4.7299e-08  
a 2.570043558751982 1.1403e-08 au
q 1.733875506568124 1.2625e-07 au
i 5.354061538337483 5.2101e-06 deg
node 10.00438750974938 2.937e-05 deg
peri 22.00196337255708 3.0267e-05 deg
M 123.0081265544965 7.2746e-06 deg
tp 2458486.290073253283
(2019-Jan-02.79007325)
2.7834e-05 TDB
period 1504.90523523912
4.12
1.0016e-05
2.742e-08
d
yr
n .2392177205382625 1.5921e-09 deg/d
Q 3.40621161093584 1.5114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      26125 days (71.53 yr)  
   first obs. used      1948-10-08  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:45:26  

Additional Information
 Earth MOID = .740954 au 
 Jupiter MOID = 2.05413 au 
 T_jup = 3.348 
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Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3223216177784828 4.6992e-08  
q 1.744534006536223 1.2513e-07 au
tp 2456977.691675513437
(2014-Nov-16.19167551)
2.2808e-05 TDB
node 10.06110160709756 2.934e-05 deg
peri 21.78998372385361 3.0275e-05 deg
i 5.355593036419281 5.2071e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      26125 days (71.53 yr)  
   first obs. used      1948-10-08  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:45:26  

Additional Information
 Jupiter MOID = 2.05413 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.208232732367371E-15 -5.872831710319553E-15 -7.133062203808031E-13 1.557219977999113E-14 -2.341817810917541E-13 -8.76613548754634E-15
q -5.872831710319553E-15 1.565831691442315E-14 1.910716837464081E-12 -4.190265997576539E-14 6.296790340221515E-13 2.350423260600251E-14
tp -7.133062203808031E-13 1.910716837464081E-12 5.201883356038933E-10 -5.439239522149287E-12 1.7433786258924E-10 3.269209483571437E-12
node 1.557219977999113E-14 -4.190265997576539E-14 -5.439239522149287E-12 8.608175576366373E-10 -8.582011858376278E-10 -3.270767045804813E-11
peri -2.341817810917541E-13 6.296790340221515E-13 1.7433786258924E-10 -8.582011858376278E-10 9.165901564498668E-10 3.356564416491464E-11
i -8.76613548754634E-15 2.350423260600251E-14 3.269209483571437E-12 -3.270767045804813E-11 3.356564416491464E-11 2.711381259121481E-11

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