+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2910 Yoshkar-Ola (1980 TK13) Classification: Main-belt Asteroid          SPK-ID: 2002910 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1556266805255644 3.5818e-08   a 2.202579553078349 5.6508e-09 au q 1.859799408639284 8.0132e-08 au i 2.939624208337416 3.75e-06 deg node 44.23866935923989 6.0923e-05 deg peri 326.4518792054828 6.1747e-05 deg M 62.95476581348046 9.245e-06 deg tp 2458791.704110906393 (2019-Nov-04.20411091) 3.0732e-05 TDB period 1193.976645015226 3.27 4.5948e-06 1.258e-08 d yr n .3015134353783018 1.1603e-09 deg/d Q 2.545359697517413 6.5302e-09 au   Orbit Determination Parameters    # obs. used (total)      2669      data-arc span      15178 days (41.56 yr)      first obs. used      1979-04-26      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4112      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:09:04   Additional Information  Earth MOID = .86049 au   Jupiter MOID = 2.91731 au   T_jup = 3.646  [ 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 13.2   n/a MPO302079   diameter diameter 4.054 km 5.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 3.4233 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Oey, J.; Vilagi, J.; Gajdos, S.; Kornos, L.; Galad, A. (2007) Minor Planet Bull. 34, 81-83.] geometric albedo albedo 0.618   0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   2910 Yoshkar-Ola (1980 TK13)          Discovered 1980-Oct-11 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1980 TK13 = 1957 UD = 1979 HL = 1980 VC2 = 1982 HC2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 18:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin