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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3114840657822283 2.258e-05  
a 49.31176420760831 0.0019515 au
q 33.95193540132792 0.00032684 au
i 24.7843249178145 6.8771e-05 deg
node 205.5899133676984 8.1004e-05 deg
peri 58.67100244846846 0.0023469 deg
M 348.7862870247173 0.001667 deg
tp 2462540.272753988872
(2030-Feb-07.77275399)
0.38536 TDB
period 126480.6932870721
346.29
7.5081
0.02056
d
yr
n .002846284208633417 1.6896e-07 deg/d
Q 64.6715930138887 0.0025593 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6996 days (19.15 yr)  
   first obs. used      1999-05-16  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .49124  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:10:42  

Additional Information
 Earth MOID = 33.005 au 
 Jupiter MOID = 29.0144 au 
 T_jup = 5.417 
[ show covariance matrix ]

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-January); 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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