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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3253516470717501 5.6584e-08  
a 2.570043566657325 1.3221e-08 au
q 1.733875659199209 1.5183e-07 au
i 5.354055427476297 5.4976e-06 deg
node 10.00436588701993 3.0877e-05 deg
peri 22.00198236789223 3.1701e-05 deg
M 123.0081231712497 7.5265e-06 deg
tp 2458486.290085023712
(2019-Jan-02.79008502)
2.8488e-05 TDB
period 1504.905242182656
4.12
1.1613e-05
3.179e-08
d
yr
n .2392177194345274 1.846e-09 deg/d
Q 3.406211474115441 1.7523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      25957 days (71.07 yr)  
   first obs. used      1948-10-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:34:47  

Additional Information
 Earth MOID = .740954 au 
 Jupiter MOID = 2.05413 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220659285937805 5.6176e-08  
q 1.744065471145011 1.5043e-07 au
tp 2456977.452149667471
(2014-Nov-15.95214967)
2.2814e-05 TDB
node 10.0763203443487 3.0862e-05 deg
peri 21.68000066219475 3.1727e-05 deg
i 5.354729281106742 5.4917e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      25957 days (71.07 yr)  
   first obs. used      1948-10-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:34:47  

Additional Information
 Jupiter MOID = 2.05413 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.155758311677977E-15 -8.443000915663359E-15 -7.12797697529801E-13 1.189265336515879E-14 -1.829780471242658E-13 -1.611309328163677E-14
q -8.443000915663359E-15 2.262946760879953E-14 1.911392717395936E-12 -3.196480147338429E-14 4.916307788420069E-13 4.348082397946E-14
tp -7.12797697529801E-13 1.911392717395936E-12 5.204901849930575E-10 -1.250975239369272E-12 1.703830836456544E-10 4.169690377127453E-12
node 1.189265336515879E-14 -3.196480147338429E-14 -1.250975239369272E-12 9.524677614012668E-10 -9.477661001508315E-10 -1.714619441807155E-11
peri -1.829780471242658E-13 4.916307788420069E-13 1.703830836456544E-10 -9.477661001508315E-10 1.006581683090145E-9 1.809915894957646E-11
i -1.611309328163677E-14 4.348082397946E-14 4.169690377127453E-12 -1.714619441807155E-11 1.809915894957646E-11 3.015855223034711E-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

[ show close-approach data ]
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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