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14922 Ohyama (1994 TA3)
Classification: Main-belt Asteroid          SPK-ID: 2014922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099141072137482 3.4445e-08  
a 2.289619725686741 6.8357e-09 au
q 1.808996245110221 8.0749e-08 au
i 5.449454418845477 3.7717e-06 deg
node 9.0011935885948 3.7697e-05 deg
peri 354.9478516079261 3.8616e-05 deg
M 267.7486654221773 1.0015e-05 deg
tp 2459720.775114091380
(2022-May-21.27511409)
3.5899e-05 TDB
period 1265.445552708144
3.46
5.667e-06
1.552e-08
d
yr
n .2844847802653968 1.274e-09 deg/d
Q 2.77024320626326 8.2706e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2593  
   data-arc span      14371 days (39.35 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:40:30  

Additional Information
 Earth MOID = .806178 au 
 Jupiter MOID = 2.68863 au 
 T_jup = 3.564 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.60   n/a MPO614063  
diameter diameter 2.706 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.34481 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.392   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

14922 Ohyama           Discovered 1994 Oct. 2 by K. Endate and K. Watanabe at Kitami.
Tetsuya Ohyama (b. 1959) is a Japanese amateur astronomer skilled in the making of his own personal observatories. The Apollo 11 mission to the moon in 1969 was instrumental in steering him to his now deep interest in astronomy.
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 2015-09-28Last Updated: 2015-10-05

Alternate Designations
 1994 TA3 = 1982 DF7 = 1987 SR20 = 1987 SZ11 = 1987 UJ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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