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JPL Small-Body Database Browser
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9726 Verbiscer (1981 EY19)
Classification: Main-belt Asteroid          SPK-ID: 2009726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03255453505147529 4.5323e-08  
a 2.870320875722122 1.725e-08 au
q 2.776878914164445 1.28e-07 au
i 1.07072835285104 4.4033e-06 deg
node 259.4830639899383 0.0003129 deg
peri 49.19788665057031 0.00032466 deg
M 171.5163270975195 8.8269e-05 deg
tp 2457754.253143357939
(2016-Dec-31.75314336)
0.00043435 TDB
period 1776.209143155958
4.86
1.6012e-05
4.384e-08
d
yr
n .2026788350837752 1.8271e-09 deg/d
Q 2.963762837279799 1.7812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      15202 days (41.62 yr)  
   first obs. used      1977-06-13  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:02:41  

Additional Information
 Earth MOID = 1.76135 au 
 Jupiter MOID = 2.11401 au 
 T_jup = 3.297 
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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 14.3   n/a MPO337340  
diameter diameter 3.994 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.551 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 0.231   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9726 Verbiscer           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Anne J. Verbiscer (b. 1964) is an associate research professor at the University of Virginia who studies the photometric scattering properties of asteroids and icy surfaces, leading to a new understanding of Saturn's large-scale ring structure and evolutionary processes for icy satellite surfaces.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

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Alternate Designations
 1981 EY19 = 1991 GS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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