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91139 (1998 KL47)
Classification: Main-belt Asteroid          SPK-ID: 2091139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09942109042972527 4.0732e-08  
a 2.572129817604673 1.2231e-08 au
q 2.316405866411606 1.0757e-07 au
i 13.76040374248557 3.6292e-06 deg
node 95.51259934515979 2.0125e-05 deg
peri 66.48183294458913 2.9475e-05 deg
M 291.485795124434 2.3866e-05 deg
tp 2459683.258218820442
(2022-Apr-13.75821882)
0.00010077 TDB
period 1506.738040131216
4.13
1.0747e-05
2.942e-08
d
yr
n .2389267347153782 1.7042e-09 deg/d
Q 2.827853768797739 1.3447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1540  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1998-05-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:12  

Additional Information
 Earth MOID = 1.36516 au 
 Jupiter MOID = 2.2844 au 
 T_jup = 3.382 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.34   n/a MPO637239  
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. 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:
[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

Alternate Designations
 1998 KL47 = 2000 WN60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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