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40314 (1999 KR16)
Classification: TransNeptunian Object          SPK-ID: 2040314
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3106640812960058 2.1721e-05  
a 49.22914188102094 0.0019337 au
q 33.93541574556285 0.0002867 au
i 24.80690097391134 5.8973e-05 deg
node 205.6312477058922 7.1385e-05 deg
peri 58.96795745041893 0.0020448 deg
M 349.7314908287556 0.0015688 deg
tp 2462599.126053308064
(2030-Apr-07.62605331)
0.34815 TDB
period 126162.9470827955
345.42
7.4336
0.02035
d
yr
n .002853452684200116 1.6813e-07 deg/d
Q 64.52286801647904 0.0025345 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .50013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:50:05  

Additional Information
 Earth MOID = 32.9894 au 
 Jupiter MOID = 29.002 au 
 T_jup = 5.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456759.5 (2014-Apr-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302567862478368 2.1694e-05  
q 33.97246159379204 0.00028519 au
tp 2462545.646335805192
(2030-Feb-13.14633581)
0.35581 TDB
node 205.6234174224582 7.1522e-05 deg
peri 58.56136428209249 0.0020768 deg
i 24.8146505084686 5.9084e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .50013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:50:05  

Additional Information
 Jupiter MOID = 29.002 au 
 T_jup = 5.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.706257806869977E-10 5.565078846173503E-9 -6.795068765661612E-6 -3.750950485263387E-11 -3.879865487239757E-8 4.204940341731079E-11
q 5.565078846173503E-9 8.133396910796802E-8 -.0001007253609224845 -4.969077521431558E-10 -5.871527749383731E-7 5.581722627751107E-10
tp -6.795068765661612E-6 -.0001007253609224845 .1266001453269751 6.041024727714761E-7 .0007378968169705365 -6.809475419450105E-7
node -3.750950485263387E-11 -4.969077521431558E-10 6.041024727714761E-7 5.115402963366374E-9 -1.146319927212988E-9 4.115097363764495E-9
peri -3.879865487239757E-8 -5.871527749383731E-7 .0007378968169705365 -1.146319927212988E-9 4.31297824333565E-6 -7.676341286517363E-9
i 4.204940341731079E-11 5.581722627751107E-10 -6.809475419450105E-7 4.115097363764495E-9 -7.676341286517363E-9 3.490941219181619E-9

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.5   n/a MPO412464  
rotation period rot_per 11.7 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Sheppard, S.S.; Jewitt, D.C. (2002) Astron. J. 124, 1757-1775; Proc. ACM 2002, ESA SP 500, 21-24 (2002ESASP.500...21S); Sheppard, S.S. (2001) IAUC 7619 (2001IAUC.7619....3S).]

40314 (1999 KR16)          Discovered 1999-May-16 by Dalsanti, A., Hainaut, O. R. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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