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35627 (1998 KW9)
Classification: Main-belt Asteroid          SPK-ID: 2035627
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2231566518083967 1.4782e-08  
a 3.143981415432147 1.6694e-08 au
q 2.442381049416485 4.7212e-08 au
i 9.242499327621013 5.8309e-07 deg
node 285.891228473287 1.9134e-06 deg
peri 35.22678517078969 7.521e-06 deg
M 346.8740217767433 5.7889e-06 deg
tp 2459470.741640666429
(2021-Sep-13.24164067)
3.2987e-05 TDB
period 2036.190384085777
5.57
1.6218e-05
4.44e-08
d
yr
n .1768007563603319 1.4082e-09 deg/d
Q 3.845581781447809 2.042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      8434 days (23.09 yr)  
   first obs. used      1998-05-22  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:19:14  

Additional Information
 Earth MOID = 1.43547 au 
 Jupiter MOID = 1.50988 au 
 T_jup = 3.151 
[ 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 12.97   n/a MPO614063  
diameter diameter 15.147 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 30.7119 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.]
geometric albedo albedo 0.065   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

35627 (1998 KW9)          Discovered 1998-May-24 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KW9 = 1999 RP123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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