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22981 Katz (1999 VN30)
Classification: Main-belt Asteroid          SPK-ID: 2022981
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803302007924246 3.0647e-08  
a 2.296747043053915 7.8427e-09 au
q 1.882574187610595 6.9017e-08 au
i 3.326412770762377 3.3365e-06 deg
node 235.4404896187896 5.5974e-05 deg
peri 24.566494973444 5.6673e-05 deg
M 172.7713734543738 9.1834e-06 deg
tp 2458590.348812732261
(2019-Apr-16.84881273)
3.2401e-05 TDB
period 1271.35892378834
3.48
6.512e-06
1.783e-08
d
yr
n .2831615787359935 1.4504e-09 deg/d
Q 2.710919898497235 9.257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      12407 days (33.97 yr)  
   first obs. used      1987-02-23  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:22  

Additional Information
 Earth MOID = .866225 au 
 Jupiter MOID = 2.3502 au 
 T_jup = 3.570 
[ 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 14.6   n/a MPO502334  
diameter diameter 3.656 km 0.878 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.209   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

22981 Katz           Discovered 1999 Nov. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Daniel Scott Katz (b. 1988) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for his materials science project. He attends the Hebrew Academy of the Five Towns & Rockaway, Cedarhurst, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

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Alternate Designations
 1999 VN30 = 1987 DN4 = 1998 MU25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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