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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092060503782555 3.4594e-08  
a 2.683478698658564 9.6702e-09 au
q 2.122078718838025 9.3437e-08 au
i 11.89869090474845 4.6678e-06 deg
node 27.23914573815612 1.8625e-05 deg
peri 99.75498823102244 2.1836e-05 deg
M 319.5900360143156 1.278e-05 deg
tp 2459180.731882064329
(2020-Nov-27.23188206)
5.7543e-05 TDB
period 1605.630669855192
4.40
8.6791e-06
2.376e-08
d
yr
n .2242109638030691 1.2119e-09 deg/d
Q 3.244878678479103 1.1693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2383  
   data-arc span      41712 days (114.20 yr)  
   first obs. used      1905-10-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:47:43  

Additional Information
 Earth MOID = 1.17437 au 
 Jupiter MOID = 1.93875 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 10.2   n/a MPO502162 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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Oct-07 16:09 00:01 Jupiter 1.94882626914104 1.94882585086495 1.94882668741703 2.40029714406464 2.21182325610837 2424796.172980046 1.37965775165378 244.963813121753 30.5694471630178 -83.9333807359557 1677161.98813309 T 32 CATAB v2.0f-lin.ifort 2020-Jan-28 17:48:13 2020-Jan-28 17:48
2045-Jul-01 10:31 < 00:01 Jupiter 1.9386718645047 1.93867144756226 1.93867228144715 2.61750721671902 2.44489810024993 2468162.938469454 0.550235650340893 254.040147787994 19.8247244874061 -87.5371177206979 2196842.79445912 T 32 CATAB v2.0f-lin.ifort 2020-Jan-28 17:48:13 2020-Jan-28 17:48
2164-Mar-27 09:27 00:02 Jupiter 1.92784278697287 1.92784238153057 1.92784319241649 2.82638382230253 2.66640578229482 2511530.893646232 2.34062929698876 508.423882078185 19.2177538436102 -86.8313470115103 2048284.85474692 T 32 CATAB v2.0f-lin.ifort 2020-Jan-28 17:48:13 2020-Jan-28 17:48

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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