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

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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333714674981955 4.2282e-08  
a 2.340665219875595 9.4756e-09 au
q 1.794420742591241 1.0004e-07 au
i 24.49470437201103 6.0886e-06 deg
node 230.2236005499935 8.7247e-06 deg
peri 42.00290550981371 1.451e-05 deg
M 172.3762591306962 1.1678e-05 deg
tp 2458374.200116993863
(2018-Sep-12.70011699)
4.0934e-05 TDB
period 1307.998903208933
3.58
7.9426e-06
2.175e-08
d
yr
n .2752295885851331 1.6713e-09 deg/d
Q 2.886909697159949 1.1687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1785  
   data-arc span      12320 days (33.73 yr)  
   first obs. used      1986-05-08  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:18:30  

Additional Information
 Earth MOID = .828436 au 
 Jupiter MOID = 2.27186 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457132.5 (2015-Apr-20.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333039789224137 4.2155e-08  
q 1.794396657971039 9.9712e-08 au
tp 2457066.998706993177
(2015-Feb-13.49870699)
3.8975e-05 TDB
node 230.2308701274387 8.7258e-06 deg
peri 42.0835297662675 1.4544e-05 deg
i 24.49294384633028 6.0886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1785  
   data-arc span      12320 days (33.73 yr)  
   first obs. used      1986-05-08  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:18:30  

Additional Information
 Jupiter MOID = 2.27186 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.77708536658054E-15 -4.192353902821716E-15 -7.308634068315533E-13 1.475725818955102E-14 -2.669991641946305E-13 1.981532714633914E-15
q -4.192353902821716E-15 9.942426974850967E-15 1.756434192188616E-12 -3.686931640201832E-14 6.396960171204226E-13 -4.023362711074044E-15
tp -7.308634068315533E-13 1.756434192188616E-12 1.519039672235134E-9 -1.761417762865637E-11 4.582123796653503E-10 -8.27967365585866E-12
node 1.475725818955102E-14 -3.686931640201832E-14 -1.761417762865637E-11 7.614002279302479E-11 -7.399843364603065E-11 -4.342260871096452E-12
peri -2.669991641946305E-13 6.396960171204226E-13 4.582123796653503E-10 -7.399843364603065E-11 2.115217554747637E-10 1.840422451522669E-12
i 1.981532714633914E-15 -4.023362711074044E-15 -8.27967365585866E-12 -4.342260871096452E-12 1.840422451522669E-12 3.707083230435725E-11

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-August); 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 ]
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