+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1709 Ukraina (1925 QA) Classification: Main-belt Asteroid          SPK-ID: 2001709 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2140980066586034 3.2617e-08   a 2.37842047907428 5.8472e-09 au q 1.869205395508477 7.7277e-08 au i 7.556962387404971 3.374e-06 deg node 300.0676391781566 2.7761e-05 deg peri 42.4509222364974 2.8864e-05 deg M 291.4704298149254 9.7254e-06 deg tp 2459255.539170688412 (2021-Feb-10.03917069) 3.6657e-05 TDB period 1339.773490478203 3.67 4.9406e-06 1.353e-08 d yr n .268702137009373 9.9087e-10 deg/d Q 2.887635562640084 7.099e-09 au   Orbit Determination Parameters    # obs. used (total)      2888      data-arc span      34782 days (95.23 yr)      first obs. used      1925-08-19      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3819      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:02:16   Additional Information  Earth MOID = .868419 au   Jupiter MOID = 2.53105 au   T_jup = 3.497  [ hide covariance matrix ] Orbital Elements at Epoch 2456486.5 (2013-Jul-13.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2128843250515234 3.2431e-08   q 1.872274891335509 7.665e-08 au tp 2456574.025552902481 (2013-Oct-08.52555290) 3.3061e-05 TDB node 300.1548900074998 2.7696e-05 deg peri 42.00093041595122 2.884e-05 deg i 7.565905056957116 3.3762e-06 deg   Orbit Determination Parameters    # obs. used (total)      2888      data-arc span      34782 days (95.23 yr)      first obs. used      1925-08-19      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3819      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:02:16   Additional Information  Jupiter MOID = 2.53105 au   T_jup = 3.497  Orbit Covariance (6×6)   e q tp node peri i e 1.051741973519777E-15 -2.481181524012491E-15 2.15481130337137E-13 -1.02327494040314E-15 4.53750946569629E-14 -4.282838357915602E-16 q -2.481181524012491E-15 5.875271533769083E-15 -4.676467055421054E-13 2.779672347572904E-15 -9.861206811151704E-14 1.037322791653615E-15 tp 2.15481130337137E-13 -4.676467055421054E-13 1.093044813451718E-9 -3.250120092826954E-12 2.803331997697962E-10 -1.022238706331552E-12 node -1.02327494040314E-15 2.779672347572904E-15 -3.250120092826954E-12 7.670642848253887E-10 -7.609242132770094E-10 8.625808138392459E-12 peri 4.53750946569629E-14 -9.861206811151704E-14 2.803331997697962E-10 -7.609242132770094E-10 8.317534236341411E-10 -8.792919256430319E-12 i -4.282838357915602E-16 1.037322791653615E-15 -1.022238706331552E-12 8.625808138392459E-12 -8.792919256430319E-12 1.139895114412415E-11 [ 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 12.4   n/a MPO473787   diameter diameter 9.444 km 1.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 7.28 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.] [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.196   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.990   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.29 deg. 1709 Ukraina (1925 QA)          Discovered 1925-Aug-16 by Shajn, G. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1925 QA = 1936 QH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 14:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin