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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3095335164945594 1.112e-05  
a 49.13906524251838 0.0010172 au
q 33.92887758074608 0.00016773 au
i 24.82037813398643 2.6134e-05 deg
node 205.6572535614315 3.7085e-05 deg
peri 59.10680544322001 0.0012491 deg
M 350.1905585068782 0.00088308 deg
tp 2462628.813615646603
(2030-May-07.31361565)
0.21025 TDB
period 125816.8370236137
344.47
3.9066
0.0107
d
yr
n .002861302259032582 8.8843e-08 deg/d
Q 64.34925290429067 0.001332 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .48961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:51:00  

Additional Information
 Earth MOID = 32.9815 au 
 Jupiter MOID = 28.9971 au 
 T_jup = 5.410 
[ 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 5.70   n/a E2021B10  
rotation period rot_per 11.7 h n/a LCDB (Rev. 2020-October); 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; Sheppard, S.S. (2001) IAUC 7619.]

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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