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46968 (1998 SJ135)
Classification: Main-belt Asteroid          SPK-ID: 2046968
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751661088349467 2.8762e-08  
a 2.523175633631446 9.1392e-09 au
q 2.081200775981075 7.1543e-08 au
i 5.166507806865583 3.6472e-06 deg
node 163.7023498567458 3.4638e-05 deg
peri 148.5920127435969 3.6693e-05 deg
M 194.4462650714252 1.3968e-05 deg
tp 2459673.718639896581
(2022-Apr-04.21863990)
5.8413e-05 TDB
period 1463.927772256727
4.01
7.9537e-06
2.178e-08
d
yr
n .2459137717191059 1.3361e-09 deg/d
Q 2.965150491281818 1.074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:36:13  

Additional Information
 Earth MOID = 1.06933 au 
 Jupiter MOID = 2.32386 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456935.5 (2014-Oct-05.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766992044801927 2.8893e-08  
q 2.07645268764699 7.1975e-08 au
tp 2456744.864021468595
(2014-Mar-28.36402147)
5.2228e-05 TDB
node 163.7434589264219 3.4625e-05 deg
peri 148.3112583849684 3.6635e-05 deg
i 5.167417583860661 3.6486e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:36:13  

Additional Information
 Jupiter MOID = 2.32386 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.347973233949003E-16 -2.068685844615473E-15 7.092906728616166E-13 7.372335944613431E-15 1.482519679719582E-13 7.398294406025513E-16
q -2.068685844615473E-15 5.180356093359516E-15 -1.705887115235365E-12 -1.85142533764904E-14 -3.547298629423301E-13 -1.803807240823478E-15
tp 7.092906728616166E-13 -1.705887115235365E-12 2.727755437628851E-9 5.360711602382421E-12 6.346214283760656E-10 7.331498476442184E-13
node 7.372335944613431E-15 -1.85142533764904E-14 5.360711602382421E-12 1.198860700749228E-9 -1.19262729413553E-9 3.668315967019E-11
peri 1.482519679719582E-13 -3.547298629423301E-13 6.346214283760656E-10 -1.19262729413553E-9 1.342156248899744E-9 -3.637863449879871E-11
i 7.398294406025513E-16 -1.803807240823478E-15 7.331498476442184E-13 3.668315967019E-11 -3.637863449879871E-11 1.331220353308935E-11

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 14.6   n/a MPO313772  
diameter diameter 2.911 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.856 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.]
geometric albedo albedo 0.362   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46968 (1998 SJ135)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SJ135 = 2000 CK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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