+ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2140980067433147 3.4584e-08   a 2.378420479095523 6.0521e-09 au q 1.869205395323692 8.1572e-08 au i 7.55696265887488 3.4107e-06 deg node 300.067643114574 2.8484e-05 deg peri 42.45091842966211 2.957e-05 deg M 291.4704296912497 1.0056e-05 deg tp 2459255.539171152100 (2021-Feb-10.03917115) 3.7936e-05 TDB period 1339.773490496152 3.67 5.1137e-06 1.4e-08 d yr n .2687021370057732 1.0256e-09 deg/d Q 2.887635562867354 7.3478e-09 au   Orbit Determination Parameters    # obs. used (total)      2749      data-arc span      34636 days (94.83 yr)      first obs. used      1925-08-19      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38905      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:35:49   Additional Information  Earth MOID = .868419 au   Jupiter MOID = 2.53105 au   T_jup = 3.497  [ hide covariance matrix ] Orbital Elements at Epoch 2456398.5 (2013-Apr-16.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2129340993358568 3.4377e-08   q 1.872257120163995 8.0886e-08 au tp 2456574.016455142313 (2013-Oct-08.51645514) 3.3786e-05 TDB node 300.1552699309726 2.8418e-05 deg peri 41.99845308275856 2.9544e-05 deg i 7.565720132129982 3.4128e-06 deg   Orbit Determination Parameters    # obs. used (total)      2749      data-arc span      34636 days (94.83 yr)      first obs. used      1925-08-19      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38905      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:35:49   Additional Information  Jupiter MOID = 2.53105 au   T_jup = 3.497  Orbit Covariance (6×6)   e q tp node peri i e 1.181807645169697E-15 -2.775779363393187E-15 2.940450284689315E-13 -1.111898412741716E-15 5.821736504762456E-14 -5.174554928673885E-16 q -2.775779363393187E-15 6.542587707750502E-15 -6.456397217349073E-13 3.06172372773852E-15 -1.277899878208887E-13 1.239952381484144E-15 tp 2.940450284689315E-13 -6.456397217349073E-13 1.141525383571527E-9 -3.09995546770742E-12 2.881475097419763E-10 -1.09622644489459E-12 node -1.111898412741716E-15 3.06172372773852E-15 -3.09995546770742E-12 8.075992706685915E-10 -8.010656139736856E-10 1.162737310040695E-11 peri 5.821736504762456E-14 -1.277899878208887E-13 2.881475097419763E-10 -8.010656139736856E-10 8.728198230070425E-10 -1.178206850903542E-11 i -5.174554928673885E-16 1.239952381484144E-15 -1.09622644489459E-12 1.162737310040695E-11 -1.178206850903542E-11 1.164722174083054E-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. 2019-August); 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] 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 ] 2020-Aug-05 05:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin