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46725 (1997 SS13)
Classification: Main-belt Asteroid          SPK-ID: 2046725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09763251172995172 4.3898e-08  
a 2.995442796120684 1.8385e-08 au
q 2.702990192192032 1.3329e-07 au
i 9.353496173430189 5.2845e-06 deg
node 350.7054383189273 2.5278e-05 deg
peri 57.12471384245733 3.6196e-05 deg
M 30.88817213144839 2.4117e-05 deg
tp 2458438.027568360143
(2018-Nov-15.52756836)
0.00012694 TDB
period 1893.607531758011
5.18
1.7434e-05
4.773e-08
d
yr
n .1901133122689783 1.7503e-09 deg/d
Q 3.287895400049336 2.018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1997-09-28  
   last obs. used      2019-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:38:57  

Additional Information
 Earth MOID = 1.72479 au 
 Jupiter MOID = 2.10468 au 
 T_jup = 3.227 
[ 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 13.8   n/a MPO337631  
diameter diameter 6.816 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.14 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.]
geometric albedo albedo 0.126   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46725 (1997 SS13)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SS13 = 2000 HF95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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