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36 Atalante (A855 TA)
Classification: Main-belt Asteroid          SPK-ID: 2000036
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 92 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051012262719052 4.6876e-08  
a 2.747268313917096 7.085e-09 au
q 1.909073382443041 1.3019e-07 au
i 18.36902181530588 5.9411e-06 deg
node 358.2052823712492 1.2523e-05 deg
peri 47.81236770920832 1.4981e-05 deg
M 26.32019690468818 8.0574e-06 deg
tp 2458878.899131765428
(2020-Jan-30.39913177)
3.6944e-05 TDB
period 1663.221317187348
4.55
6.434e-06
1.762e-08
d
yr
n .2164474422494725 8.373e-10 deg/d
Q 3.585463245391152 9.2466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      56503 days (154.70 yr)  
   first obs. used      1866-02-08  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:34:06  

Additional Information
 Earth MOID = .959687 au 
 Jupiter MOID = 2.09567 au 
 T_jup = 3.207 
[ 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 8.5   n/a MPO492748 IRAS observations used: 6
diameter diameter 132.842 km 29.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.93 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.]
[Schober, H.J.; Schroll, A. (1982) Astron. Astrophys. 107, 402-405.]
[Di Martino, M.; Zappala, V.; De Sanctis, G.; Cacciatori, S. (1987) Icarus 69, 338-353.]
[Brinsfield, J.W. (2007) Minor Planet Bull. 34, 58-59.]
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2011) http://www.minorplanetobserver.com/PDO/PDOLightcurves.htm]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.029   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.713   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=7.52, mean=11.27, max.=19.66) deg.
U-B UB 0.363   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=7.52, mean=11.27, max.=19.66) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

36 Atalante (A855 TA)          Discovered 1855-Oct-05 by Goldschmidt, H. at Paris
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A855 TA = A901 SB = A912 HC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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