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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753635479259455 2.4524e-08  
a 2.522321404604412 7.9162e-09 au
q 2.079998174083428 6.266e-08 au
i 5.167486024420804 3.4596e-06 deg
node 163.7038148201754 3.3198e-05 deg
peri 148.6970530680287 3.5264e-05 deg
M 291.7407413164312 1.3095e-05 deg
tp 2459673.933008576249
(2022-Apr-04.43300858)
5.3662e-05 TDB
period 1463.184409172193
4.01
6.8882e-06
1.886e-08
d
yr
n .2460387069075404 1.1583e-09 deg/d
Q 2.964644635125395 9.3044e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2041  
   data-arc span      8296 days (22.71 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49247  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:56  

Additional Information
 Earth MOID = 1.06752 au 
 Jupiter MOID = 2.32368 au 
 T_jup = 3.428 
[ 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 14.63   n/a E2021B10  
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. 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:
[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

Alternate Designations
 1998 SJ135 = 2000 CK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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