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JPL Small-Body Database Browser
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40994 Tekaridake (1999 UZ2)
Classification: Main-belt Asteroid          SPK-ID: 2040994
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017831689051518 4.9852e-08  
a 2.686218308809846 1.4209e-08 au
q 2.144184666087158 1.3305e-07 au
i 11.62600489339657 5.2771e-06 deg
node 221.9494127962251 2.6528e-05 deg
peri 118.8483170470859 2.9167e-05 deg
M 184.8436140279047 1.5381e-05 deg
tp 2459382.909039030910
(2021-Jun-17.40903903)
7.2388e-05 TDB
period 1608.090121795507
4.40
1.2759e-05
3.493e-08
d
yr
n .2238680501302026 1.7762e-09 deg/d
Q 3.228251951532534 1.7076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      7670 days (21.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:13:48  

Additional Information
 Earth MOID = 1.16426 au 
 Jupiter MOID = 2.33776 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456304.5 (2013-Jan-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983118912840346 4.9552e-08  
q 2.155246234108175 1.3168e-07 au
tp 2456163.473672564876
(2012-Aug-23.97367257)
6.1698e-05 TDB
node 222.1862185457647 2.6481e-05 deg
peri 118.5174993144807 2.9289e-05 deg
i 11.6302767510542 5.2772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      7670 days (21.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:13:48  

Additional Information
 Jupiter MOID = 2.33776 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.455359560623834E-15 -6.501114628479858E-15 4.485389872522127E-13 5.426471472039917E-15 5.679227328301156E-14 8.777215660650629E-16
q -6.501114628479858E-15 1.734086706625255E-14 -9.767791922774623E-13 -1.471304469917883E-14 -1.068063282810073E-13 -2.009178761342921E-15
tp 4.485389872522127E-13 -9.767791922774623E-13 3.806620966769052E-9 8.700333908791399E-12 8.073922564668898E-10 -8.355891430729722E-14
node 5.426471472039917E-15 -1.471304469917883E-14 8.700333908791399E-12 7.012587339341649E-10 -6.844699900854202E-10 -1.643368087490886E-11
peri 5.679227328301156E-14 -1.068063282810073E-13 8.073922564668898E-10 -6.844699900854202E-10 8.578171647242256E-10 1.610272364018022E-11
i 8.777215660650629E-16 -2.009178761342921E-15 -8.355891430729722E-14 -1.643368087490886E-11 1.610272364018022E-11 2.784935070316453E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO279927  
diameter diameter 4.588 km 1.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

40994 Tekaridake           Discovered 1999 Oct. 20 by M. Akiyama at Mishima.
Tekaridake, a mountain in the northern part of Shizuoka in Japan, is 2591 meters high. It features a big, bright rock, which is named Tekariishi.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

Alternate Designations
 1999 UZ2 = 1998 KH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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