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3317 Paris (1984 KF)
Classification: Jupiter Trojan          SPK-ID: 2003317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276866947021576 4.9242e-08  
a 5.220399913833709 7.4383e-08 au
q 4.553824303812854 2.9351e-07 au
i 27.87111057694077 4.2883e-06 deg
node 135.9087795987283 8.8435e-06 deg
peri 150.1254676942989 1.9723e-05 deg
M 311.5681323623749 1.892e-05 deg
tp 2459586.614956079120
(2022-Jan-07.11495608)
0.0002298 TDB
period 4356.664206452426
11.93
9.3114e-05
2.549e-07
d
yr
n .08263202829973056 1.7661e-09 deg/d
Q 5.886975523854563 8.3881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2692  
   data-arc span      20876 days (57.16 yr)  
   first obs. used      1963-08-21  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:19  

Additional Information
 Earth MOID = 3.56248 au 
 Jupiter MOID = .404459 au 
 T_jup = 2.753 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264116404707126 4.9288e-08  
q 4.563063545176837 2.9469e-07 au
tp 2455235.290257088335
(2010-Feb-07.79025709)
0.0002426 TDB
node 135.8977351257296 8.8468e-06 deg
peri 150.4858110741866 1.9884e-05 deg
i 27.86020178100689 4.2863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2692  
   data-arc span      20876 days (57.16 yr)  
   first obs. used      1963-08-21  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:19  

Additional Information
 Jupiter MOID = .404459 au 
 T_jup = 2.753 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.429344479881932E-15 -1.423708721665036E-14 -7.830723258360514E-13 1.599584841709914E-16 -3.668103415950587E-14 -8.947803742929125E-16
q -1.423708721665036E-14 8.684026747904393E-14 -7.781838779045509E-13 6.576370791016252E-15 -4.742669092626451E-14 4.608967933107324E-15
tp -7.830723258360514E-13 -7.781838779045509E-13 5.885392168586751E-8 -1.203983142199874E-11 4.333582025761528E-9 1.381651391890738E-11
node 1.599584841709914E-16 6.576370791016252E-15 -1.203983142199874E-11 7.826601847999517E-11 -6.951046930419858E-11 -3.84866007384923E-13
peri -3.668103415950587E-14 -4.742669092626451E-14 4.333582025761528E-9 -6.951046930419858E-11 3.953898144484234E-10 1.260692703617953E-12
i -8.947803742929125E-16 4.608967933107324E-15 1.381651391890738E-11 -3.84866007384923E-13 1.260692703617953E-12 1.837272118600001E-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 8.4   n/a MPO473811  
diameter diameter 118.790 km 1.175 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 7.0812 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 265-270.]
[Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 252-257.]
[Stephens, R. D.; Warner, B. D. (2019) MPB 46, 315-317.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Franco, L.; Marchini, A.; Scarfi, G.; Papini, R.; et al. (2020) Minor Planet Bull. 47, 270-272.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 285-289.]
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3317 Paris (1984 KF)          Discovered 1984-May-26 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 KF = 1963 QD = 1982 BN3 = 1982 DC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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