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2727 Paton (1979 SO9)
Classification: Main-belt Asteroid          SPK-ID: 2002727
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101848827688574 2.9818e-08  
a 2.611272126416631 9.2945e-09 au
q 2.345317121565248 7.7997e-08 au
i 3.507457949973145 4.5061e-06 deg
node 202.2715399925324 5.3574e-05 deg
peri 279.8382124520945 5.8687e-05 deg
M 137.4333786771743 2.2711e-05 deg
tp 2458412.108555941945
(2018-Oct-20.60855594)
9.7062e-05 TDB
period 1541.262551351945
4.22
8.2289e-06
2.253e-08
d
yr
n .2335747401922015 1.2471e-09 deg/d
Q 2.877227131268015 1.0241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2547  
   data-arc span      29681 days (81.26 yr)  
   first obs. used      1939-03-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:49:07  

Additional Information
 Earth MOID = 1.36411 au 
 Jupiter MOID = 2.18878 au 
 T_jup = 3.399 
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Orbital Elements at Epoch 2456581.5 (2013-Oct-16.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031215667390403 2.9832e-08  
q 2.340094971220017 7.8363e-08 au
tp 2456873.286204852712
(2014-Aug-03.78620485)
9.5601e-05 TDB
node 202.3864214510908 5.3574e-05 deg
peri 279.9298632012967 5.8541e-05 deg
i 3.508105191480183 4.5074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2547  
   data-arc span      29681 days (81.26 yr)  
   first obs. used      1939-03-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:49:07  

Additional Information
 Jupiter MOID = 2.18878 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.899779722404917E-16 -2.323947578196191E-15 6.178157449583741E-13 -3.694535746725501E-15 1.50947012799606E-13 -2.695866934374934E-16
q -2.323947578196191E-15 6.140824585336664E-15 -1.681351010468596E-12 9.229163965842018E-15 -4.150779894952866E-13 8.724446242284065E-16
tp 6.178157449583741E-13 -1.681351010468596E-12 9.13950879214704E-9 -2.645221156489708E-11 2.264399757120007E-9 -8.005805310389968E-13
node -3.694535746725501E-15 9.229163965842018E-15 -2.645221156489708E-11 2.870168997407847E-9 -2.870722034677302E-9 -2.095396398702379E-11
peri 1.50947012799606E-13 -4.150779894952866E-13 2.264399757120007E-9 -2.870722034677302E-9 3.427102035090286E-9 2.072576550972671E-11
i -2.695866934374934E-16 8.724446242284065E-16 -8.005805310389968E-13 -2.095396398702379E-11 2.072576550972671E-11 2.031651612057919E-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 12.2   n/a MPO279542  
diameter diameter 9.063 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.326 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Klinglesmith III, D.A.; Goodwrench, Z. (2019) Minor Planet Bull. 46, 329-330.]
[Rowe, B. (2019) Minor Planet Bull. 46, 353-356.]
[Salvaggio, F.; Marchini, A.; Papini, R.; Banfi, M. (2019) Minor Planet Bull. 46, 340-341.]
geometric albedo albedo 0.311   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2727 Paton (1979 SO9)          Discovered 1979-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 SO9 = 1939 DG = 1943 EX = 1949 QL1 = 1952 HG3 = 1964 CH = 1975 VE10 = 1977 FR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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