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136 Austria (A874 FA)
Classification: Main-belt Asteroid          SPK-ID: 2000136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08497628213531404 9.2126e-09  
a 2.286593941118257 4.9545e-09 au
q 2.092287689248892 2.2618e-08 au
i 9.580023625764882 8.8662e-07 deg
node 186.4103580667326 2.5337e-06 deg
peri 132.4573922729433 1.3311e-05 deg
M 28.35756227361699 1.6112e-05 deg
tp 2459101.017109993833
(2020-Sep-08.51710999)
5.6417e-05 TDB
period 1262.93790900144
3.46
4.1047e-06
1.124e-08
d
yr
n .2850496429271327 9.2644e-10 deg/d
Q 2.480900192987622 5.3755e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3328  
   data-arc span      52615 days (144.05 yr)  
   first obs. used      1877-01-17  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:21:04  

Additional Information
 Earth MOID = 1.09145 au 
 Jupiter MOID = 2.74324 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 9.74   n/a MPCxxxxx 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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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 (A874 FA)          Discovered 1874-Mar-18 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A874 FA = 1950 HT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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