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1013 Tombecka (A924 BL)
Classification: Main-belt Asteroid          SPK-ID: 2001013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091845386370504 1.941e-08  
a 2.683398049590616 6.9808e-09 au
q 2.122072666607443 5.2677e-08 au
i 11.89907207238163 5.4147e-07 deg
node 27.22972230711735 4.5103e-06 deg
peri 99.69317981604321 6.2371e-06 deg
M 48.42516395062948 3.1539e-06 deg
tp 2459180.529379757789
(2020-Nov-27.02937976)
1.3727e-05 TDB
period 1605.558287143092
4.40
6.2652e-06
1.715e-08
d
yr
n .2242210718120853 8.7496e-10 deg/d
Q 3.24472343257379 8.4411e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3151  
   data-arc span      42249 days (115.67 yr)  
   first obs. used      1905-10-25  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:50:48  

Additional Information
 Earth MOID = 1.17492 au 
 Jupiter MOID = 1.93826 au 
 T_jup = 3.313 
[ 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 10.25   n/a MPCxxxxx IRAS observations used: 11
diameter diameter 34.613 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.053 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1990) Icarus 86, 402-447.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J. (2006) IAU 2006, poster paper.]
[Fauerbach, M.; Marks, S.A.; Lucas, M.P. (2008) Minor Planet Bull. 35, 44-46.]
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
geometric albedo albedo 0.132   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.755   0.053 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=16.35, mean=20.83, max.=25.32) deg.
U-B UB 0.370   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=16.35, mean=20.83, max.=25.32) deg.
Tholen spectral type spec_T XSC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1013 Tombecka (A924 BL)          Discovered 1924-Jan-17 by Jekhovsky, B. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A924 BL = 1953 TP3 = 1962 VK = A905 UG = A907 GW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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