Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
91139 (1998 KL47)
Classification: Main-belt Asteroid          SPK-ID: 2091139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09939295012358017 4.1424e-08  
a 2.571519144204342 1.2441e-08 au
q 2.315928270162608 1.0902e-07 au
i 13.7610366045827 3.7975e-06 deg
node 95.50998741312421 2.0552e-05 deg
peri 66.66404563687132 2.9894e-05 deg
M 196.6513909591717 2.3669e-05 deg
tp 2459683.933101391653
(2022-Apr-14.43310139)
0.00010101 TDB
period 1506.20147882312
4.12
1.0931e-05
2.993e-08
d
yr
n .2390118487211209 1.7345e-09 deg/d
Q 2.827110018246076 1.3678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      8192 days (22.43 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:41:03  

Additional Information
 Earth MOID = 1.36409 au 
 Jupiter MOID = 2.28639 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09788933783467021 4.1551e-08  
q 2.3212198953634 1.0925e-07 au
tp 2456669.222764047425
(2014-Jan-11.72276405)
9.5497e-05 TDB
node 95.54588493480337 2.0569e-05 deg
peri 66.58928202983641 3.0149e-05 deg
i 13.75254472923068 3.7956e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      8192 days (22.43 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:41:03  

Additional Information
 Jupiter MOID = 2.28639 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.726473046345686E-15 -4.515915566280888E-15 9.251634423685321E-13 1.079627326137307E-14 2.217826486263484E-13 -4.58318928082879E-17
q -4.515915566280888E-15 1.19348467119374E-14 -2.146636257266574E-12 -2.714125064842823E-14 -5.061374317415728E-13 6.678800120569461E-16
tp 9.251634423685321E-13 -2.146636257266574E-12 9.119618013886563E-9 3.104527791904027E-11 2.136808600586439E-9 5.858815949345373E-12
node 1.079627326137307E-14 -2.714125064842823E-14 3.104527791904027E-11 4.230733696554506E-10 -4.030530270468018E-10 -1.122387052114445E-11
peri 2.217826486263484E-13 -5.061374317415728E-13 2.136808600586439E-9 -4.030530270468018E-10 9.089672171467899E-10 1.231321608342548E-11
i -4.58318928082879E-17 6.678800120569461E-16 5.858815949345373E-12 -1.122387052114445E-11 1.231321608342548E-11 1.440690506929639E-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 14.3   n/a MPO439641  
diameter diameter 3.889 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.834 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.304   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91139 (1998 KL47)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 KL47 = 2000 WN60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 21:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin