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18196 Rowberry (2000 QY132)
Classification: Main-belt Asteroid          SPK-ID: 2018196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1682562607252872 3.2121e-08  
a 2.293182275722873 7.2203e-09 au
q 1.907340000848238 7.4855e-08 au
i 3.441517700397395 4.1318e-06 deg
node 35.22025660774825 5.7935e-05 deg
peri 217.3756576512218 5.9209e-05 deg
M 358.9704910854087 1.2807e-05 deg
tp 2459204.127303561156
(2020-Dec-20.62730356)
4.513e-05 TDB
period 1268.400169739713
3.47
5.9905e-06
1.64e-08
d
yr
n .283822100145158 1.3405e-09 deg/d
Q 2.679024550597508 8.4351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      11420 days (31.27 yr)  
   first obs. used      1989-03-07  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:02  

Additional Information
 Earth MOID = .892818 au 
 Jupiter MOID = 2.36179 au 
 T_jup = 3.575 
[ 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 14.76   n/a E2021B10  
diameter diameter 2.984 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 49.107 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.352   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18196 Rowberry           Discovered 2000 Aug. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Megan Rowberry (b. 1984) was awarded second place in the 2003 Intel International Science and Engineering Fair for her physics team project. She attends the Provo High School, Provo, Utah, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 2000 QY132 = 1989 FQ = 1996 HM26 = 1999 CN18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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