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 ]  
4666 Dietz (1986 JA1)
Classification: Main-belt Asteroid          SPK-ID: 2004666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334732875017035 4.3304e-08  
a 2.340088537789734 1.0436e-08 au
q 1.793740373826911 1.0314e-07 au
i 24.49866680912333 6.1282e-06 deg
node 230.2244397092247 1.0662e-05 deg
peri 41.93588088925558 1.679e-05 deg
M 62.34293857832239 1.1743e-05 deg
tp 2458374.071218567200
(2018-Sep-12.57121857)
4.2317e-05 TDB
period 1307.515545058887
3.58
8.7468e-06
2.395e-08
d
yr
n .275331334576054 1.8419e-09 deg/d
Q 2.886436701752558 1.2873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      12180 days (33.35 yr)  
   first obs. used      1986-05-08  
   last obs. used      2019-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:47:08  

Additional Information
 Earth MOID = .827439 au 
 Jupiter MOID = 2.27162 au 
 T_jup = 3.410 
[ 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 12.9   n/a MPO452231  
diameter diameter 6.827 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.95242 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ferrero, A. (2011) Minor Planet Bull. 38, 223-224.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
[Stoelting, M.; DeGraff, D.R. (2016) Minor Planet Bull. 43, 44-45.]
[Oey, J.; Kusnirak, P.; Pravec, P.; Hornoch, K; et al. (2018) CBET 4536.]
geometric albedo albedo 0.239   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4666 Dietz (1986 JA1)          Discovered 1986-May-04 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-13 21:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin