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146308 (2001 KJ28)
Classification: Main-belt Asteroid          SPK-ID: 2146308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3009252853811355 4.96e-08  
a 2.560854812520931 1.3842e-08 au
q 1.790228847243415 1.29e-07 au
i 6.390378408935839 3.6658e-06 deg
node 92.80759565123472 4.0069e-05 deg
peri 245.369843026401 4.0759e-05 deg
M 213.3923154504457 8.4256e-06 deg
tp 2459810.079139006280
(2022-Aug-18.57913901)
3.6303e-05 TDB
period 1496.841660902747
4.10
1.2136e-05
3.323e-08
d
yr
n .2405064005119176 1.95e-09 deg/d
Q 3.331480777798446 1.8008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2001-05-18  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:29  

Additional Information
 Earth MOID = .790591 au 
 Jupiter MOID = 2.09543 au 
 T_jup = 3.362 
[ 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 15.75   n/a E2021B55  
rotation period rot_per 3.22993 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

146308 (2001 KJ28)          Discovered 2001-May-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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