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JPL Small-Body Database Browser
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84095 Davidjohn (2002 QV48)
Classification: Main-belt Asteroid          SPK-ID: 2084095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286926125414527 5.0236e-08  
a 2.468649096379664 1.2385e-08 au
q 2.150952194718469 1.2208e-07 au
i 3.916324131265025 4.1175e-06 deg
node 122.3023328883272 8.4711e-05 deg
peri 11.59533127643844 8.8798e-05 deg
M 322.5652531373748 2.7181e-05 deg
tp 2458747.819375709501
(2019-Sep-21.31937571)
0.00010744 TDB
period 1416.731237693247
3.88
1.0662e-05
2.919e-08
d
yr
n .2541060650191915 1.9123e-09 deg/d
Q 2.786345998040859 1.3979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      12846 days (35.17 yr)  
   first obs. used      1983-11-04  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:34:41  

Additional Information
 Earth MOID = 1.16578 au 
 Jupiter MOID = 2.24549 au 
 T_jup = 3.471 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO320039  
diameter diameter 4.051 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

84095 Davidjohn           Discovered 2002 Aug. 20 by R. Matson on NEAT images taken at Palomar.
David John Matson (b. 1937), the discoverer's father, designed data acquisition, instrumentation and telecommunication control systems for the Navy and commercial industry and later directed product management for several Fortune 500 companies. An amateur astronomer, he has special interests in physics and cosmology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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