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JPL Small-Body Database Browser
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38000 (1998 KK35)
Classification: Main-belt Asteroid          SPK-ID: 2038000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07759518401005504 3.3964e-08  
a 2.980170592863781 1.8473e-08 au
q 2.748923707329161 1.0272e-07 au
i 10.10919989979355 4.7872e-06 deg
node 68.30109373898938 2.4311e-05 deg
peri 222.7124830445832 4.3485e-05 deg
M 55.58657981818651 3.7832e-05 deg
tp 2458710.346664965158
(2019-Aug-14.84666497)
0.00019688 TDB
period 1879.144227872933
5.14
1.7472e-05
4.784e-08
d
yr
n .1915765669607468 1.7813e-09 deg/d
Q 3.211417478398401 1.9906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1613  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1998-05-22  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:42:18  

Additional Information
 Earth MOID = 1.74241 au 
 Jupiter MOID = 1.9127 au 
 T_jup = 3.232 
[ 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 13.5   n/a MPO439352  
rotation period rot_per 4.485 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.]

38000 (1998 KK35)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KK35 = 1999 SG9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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