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JPL Small-Body Database Browser
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58922 (1998 KK58)
Classification: Main-belt Asteroid          SPK-ID: 2058922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0960505238243005 3.7384e-08  
a 2.865888123418859 1.9925e-08 au
q 2.590618067942636 1.0692e-07 au
i 1.671746953140298 5.3034e-06 deg
node 356.7616038324512 0.0001427 deg
peri 260.9802045617221 0.00014546 deg
M 97.04713090930707 2.8138e-05 deg
tp 2458122.786542698535
(2018-Jan-04.28654270)
0.00013876 TDB
period 1772.096125018307
4.85
1.8481e-05
5.06e-08
d
yr
n .2031492507192751 2.1186e-09 deg/d
Q 3.141158178895082 2.1839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      10176 days (27.86 yr)  
   first obs. used      1992-01-09  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57124  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:05:16  

Additional Information
 Earth MOID = 1.57587 au 
 Jupiter MOID = 1.90445 au 
 T_jup = 3.292 
[ show covariance matrix ]

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 15.1   n/a MPO267894  
rotation period rot_per 8.35 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

58922 (1998 KK58)          Discovered 1998-May-22 by Broughton, J. at Reedy Creek
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KK58 = 1999 RF45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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