Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
46793 Phinney (1998 JP)
Classification: Main-belt Asteroid          SPK-ID: 2046793
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818243671603577 2.9617e-08  
a 2.253051425636663 7.3509e-09 au
q 1.843391775990535 6.6414e-08 au
i 6.55754134202213 5.4706e-06 deg
node 1.787246432980012 3.0342e-05 deg
peri 297.2615049348402 3.4035e-05 deg
M 129.6381322179178 1.5891e-05 deg
tp 2458555.678932321703
(2019-Mar-13.17893232)
5.4118e-05 TDB
period 1235.250628997058
3.38
6.0453e-06
1.655e-08
d
yr
n .2914388315610866 1.4263e-09 deg/d
Q 2.662711075282791 8.6875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1329  
   data-arc span      12576 days (34.43 yr)  
   first obs. used      1985-08-24  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:34:50  

Additional Information
 Earth MOID = .839265 au 
 Jupiter MOID = 2.58047 au 
 T_jup = 3.595 
[ show covariance matrix ]

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 14.9   n/a MPO502467  
diameter diameter 2.202 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46793 Phinney           Discovered 1998 May 1 by NEAT at Haleakala.
Jeffrey L. Phinney's (b. 1957) love of the sky brought him to Palomar Observatory in 1985. After a short stint as a telescope operator, he joined the 1.2-m Oschin Schmidt Telescope team, where his wide-ranging skills contributed significantly to the success of the Second Palomar Sky Survey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

[ show close-approach data ]
Alternate Designations
 1998 JP = 1985 QA7 = 1999 XQ236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-05 17:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin