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48786 (1997 SH4)
Classification: Main-belt Asteroid          SPK-ID: 2048786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648142941610513 5.615e-08  
a 2.950515720916162 1.9592e-08 au
q 2.46422855496228 1.6871e-07 au
i 4.060987181780638 5.6718e-06 deg
node 223.611641898423 7.6764e-05 deg
peri 129.4414530324751 7.8164e-05 deg
M 103.1940485736131 1.5177e-05 deg
tp 2458069.863063651665
(2017-Nov-12.36306365)
7.6489e-05 TDB
period 1851.165834908886
5.07
1.8438e-05
5.048e-08
d
yr
n .1944720420025033 1.937e-09 deg/d
Q 3.436802886870045 2.2821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      9154 days (25.06 yr)  
   first obs. used      1994-02-12  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:53  

Additional Information
 Earth MOID = 1.46081 au 
 Jupiter MOID = 2.02612 au 
 T_jup = 3.245 
[ 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 14.4   n/a MPO337647  
diameter diameter 8.071 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.180 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48786 (1997 SH4)          Discovered 1997-Sep-27 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 SH4 = 2001 KV26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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