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18992 Katharvard (2000 RK40)
Classification: Main-belt Asteroid          SPK-ID: 2018992
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01148106737822981 2.6754e-08  
a 2.984486920071567 1.7172e-08 au
q 2.950221824652779 8.4363e-08 au
i 8.686066882722278 3.7946e-06 deg
node 283.8881227087497 2.6116e-05 deg
peri 132.064146187476 0.0002274 deg
M 285.2386797159969 0.0002272 deg
tp 2459591.590627618261
(2022-Jan-12.09062762)
0.0011897 TDB
period 1883.228190830916
5.16
1.6253e-05
4.45e-08
d
yr
n .1911611145971435 1.6498e-09 deg/d
Q 3.018752015490354 1.7369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1881  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1992-01-30  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:47  

Additional Information
 Earth MOID = 1.97046 au 
 Jupiter MOID = 2.09087 au 
 T_jup = 3.241 
[ 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 13.73   n/a E2021B10  
diameter diameter 7.295 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.103 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.076   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18992 Katharvard           Discovered 2000 Sept. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Katherine Harvard (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her computer science project. She attends the Great Neck South High School, Great Neck, New York, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 RK40 = 1992 CQ6 = 1992 CR8 = 1998 FD112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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