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JPL Small-Body Database Browser
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136 Austria
Classification: Main-belt Asteroid          SPK-ID: 2000136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08530003642298736 3.6033e-08  
a 2.28736762725956 6.0114e-09 au
q 2.092255085341557 8.203e-08 au
i 9.577562233117082 4.8193e-06 deg
node 186.4300641428825 2.1286e-05 deg
peri 132.5611730092705 3.5402e-05 deg
M 331.258606035226 2.9879e-05 deg
tp 2459101.380612237826
(2020-Sep-08.88061224)
0.00010501 TDB
period 1263.578949932916
3.46
4.9812e-06
1.364e-08
d
yr
n .284905031077886 1.1231e-09 deg/d
Q 2.482480169177562 6.5242e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2681  
   data-arc span      52054 days (142.52 yr)  
   first obs. used      1877-01-17  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:18:14  

Additional Information
 Earth MOID = 1.09328 au 
 Jupiter MOID = 2.74407 au 
 T_jup = 3.578 
[ 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 9.7   n/a MPO473762 IRAS observations used: 9
diameter diameter 36.893 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.4969 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Schober, H.J. (1983) Astron. Astrophys. 117, 362-364.]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.201   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.752   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.62, mean=9.18, max.=10.74) deg.
U-B UB 0.247   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.62, mean=9.18, max.=10.74) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Xe   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

136 Austria          Discovered 1874-Mar-18 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 HT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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