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4896 Tomoegozen (1986 YA)
Classification: Main-belt Asteroid          SPK-ID: 2004896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702003740413452 1.7558e-08  
a 3.107063196613765 1.7011e-08 au
q 2.578239878380004 5.9635e-08 au
i 16.56293155300702 8.092e-07 deg
node 260.905683297219 1.6728e-06 deg
peri 98.3915629698074 5.966e-06 deg
M 125.1211327944394 8.0551e-06 deg
tp 2458505.232828284198
(2019-Jan-21.73282828)
4.2831e-05 TDB
period 2000.430912249639
5.48
1.6428e-05
4.498e-08
d
yr
n .1799612262515741 1.4779e-09 deg/d
Q 3.635886514847525 1.9906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2506  
   data-arc span      13033 days (35.68 yr)  
   first obs. used      1985-07-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:55:52  

Additional Information
 Earth MOID = 1.63906 au 
 Jupiter MOID = 2.08966 au 
 T_jup = 3.134 
[ 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 11.69   n/a MPCxxxxx  
diameter diameter 28.787 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.869 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2003) Minor Planet Bull. 30, 33-35.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.136   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4896 Tomoegozen (1986 YA)          Discovered 1986-Dec-20 by Niijima and Urata at Ojima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 YA = 1975 XJ2 = 1985 OU = 1986 RE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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