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46810 (1998 KK47)
Classification: Main-belt Asteroid          SPK-ID: 2046810
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703757678450676 2.9971e-08  
a 2.275181794802438 7.9855e-09 au
q 1.887545949525854 6.6843e-08 au
i 7.467394669967186 3.3818e-06 deg
node 90.32694165191312 3.1199e-05 deg
peri 179.4750485254185 3.3374e-05 deg
M 193.1524119891057 1.3008e-05 deg
tp 2459781.451683910325
(2022-Jul-20.95168391)		 4.6171e-05 TDB
period 1253.494933316392
3.43		 6.5993e-06
1.807e-08		 d
yr
n .2871970124741886 1.512e-09 deg/d
Q 2.662817640079023 9.346e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      8303 days (22.73 yr)  
   first obs. used      1998-04-25  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:47:59  

Additional Information
 Earth MOID = .869607 au 
 Jupiter MOID = 2.43068 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457270.5 (2015-Sep-05.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703067957202867 2.9925e-08  
q 1.887378564624175 6.672e-08 au
tp 2457275.254074947473
(2015-Sep-09.75407495)		 4.392e-05 TDB
node 90.34149208740513 3.1213e-05 deg
peri 179.5655461027598 3.3396e-05 deg
i 7.466294422119415 3.3812e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      8303 days (22.73 yr)  
   first obs. used      1998-04-25  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:47:59  

Additional Information
 Jupiter MOID = 2.43068 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.955100405481189E-16 -1.987325059942698E-15 -9.999591713911688E-14 -5.988122541808004E-15 -1.978992281710496E-14 -4.855731716577045E-16
q -1.987325059942698E-15 4.451539410874418E-15 2.346252090715902E-13 1.368095237517879E-14 4.667030010469768E-14 1.145954121151435E-15
tp -9.999591713911688E-14 2.346252090715902E-13 1.928970040078631E-9 1.605950136730089E-11 5.389870009022694E-10 -3.678856618710248E-13
node -5.988122541808004E-15 1.368095237517879E-14 1.605950136730089E-11 9.742300272743092E-10 -9.612579490794113E-10 -5.80069510988185E-12
peri -1.978992281710496E-14 4.667030010469768E-14 5.389870009022694E-10 -9.612579490794113E-10 1.115317313398287E-9 5.651184688591873E-12
i -4.855731716577045E-16 1.145954121151435E-15 -3.678856618710248E-13 -5.80069510988185E-12 5.651184688591873E-12 1.143230860744404E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO502467  
diameter diameter 3.160 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.02 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.194   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46810 (1998 KK47)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KK47 = 1999 XM41 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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