+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2647 Sova (1980 SP) Classification: Main-belt Asteroid          SPK-ID: 2002647 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1364358129976494 1.6999e-08   a 2.243956716853436 5.9975e-09 au q 1.937800657858002 3.9602e-08 au i 3.936703481638633 9.6888e-07 deg node 290.5778150947355 1.0454e-05 deg peri 122.512749179689 1.0411e-05 deg M 309.6771092081424 6.6689e-06 deg tp 2459372.126055332294 (2021-Jun-06.62605533) 2.3108e-05 TDB period 1227.778828827199 3.36 4.9223e-06 1.348e-08 d yr n .2932124186763179 1.1755e-09 deg/d Q 2.550112775848871 6.8158e-09 au   Orbit Determination Parameters    # obs. used (total)      3194      data-arc span      24603 days (67.36 yr)      first obs. used      1953-09-09      last obs. used      2021-01-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41034      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 14:04:08   Additional Information  Earth MOID = .951674 au   Jupiter MOID = 2.77362 au   T_jup = 3.617  [ 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 12.76   n/a E2021B10   diameter diameter 7.635 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 9.366 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Menke, J. (2005) Minor Planet Bull. 32, 85-88.] [Pray, D. (2005) Minor Planet Bull. 32, 48-51.] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.303   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   2647 Sova (1980 SP)          Discovered 1980-Sep-29 by Vavrova, Z. at Klet Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1980 SP = 1950 WC = 1953 RO = 1970 RO = 1975 EC = 1977 XE = 1982 FF1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jun-23 02:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin