+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   347 Pariana (A892 WD) Classification: Main-belt Asteroid          SPK-ID: 2000347 [ 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 94 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1660432472753029 2.2324e-08   a 2.611081266206667 5.662e-09 au q 2.177528853866002 5.9361e-08 au i 11.68077232111471 5.6867e-07 deg node 85.51055897497574 1.557e-06 deg peri 86.13432279981244 3.049e-06 deg M 21.90788006921975 3.0213e-06 deg tp 2459106.716407667509 (2020-Sep-14.21640767) 1.2839e-05 TDB period 1541.093576056774 4.22 5.0126e-06 1.372e-08 d yr n .2336003508113628 7.5982e-10 deg/d Q 3.044633678547331 6.6021e-09 au   Orbit Determination Parameters    # obs. used (total)      3292      data-arc span      46857 days (128.29 yr)      first obs. used      1892-11-29      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .34893      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 10:44:41   Additional Information  Earth MOID = 1.22014 au   Jupiter MOID = 2.04487 au   T_jup = 3.361  [ 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 9.07   n/a E2021B10   diameter diameter 48.615 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 4.0529 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Lagerkvist, C.-I.; Magnusson, P.; Debehogne, H.; Hoffmann, M.; et al. (1992) Astron. Astrophys. Suppl. Ser. 95, 461-470.] [Denchev, P. (1999) Abstracts of ACM 1999, 117.] [Majcen, S.; Wetterer, C.J. (1999) Minor Planet Bull. 26, 29.] [Denchev, P. (2000) Planet. Space Sci. 48, 987-992.] [Caspari, P. (2010) Minor Planet Bull. 37, 107-108.] [Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2016) Minor Planet Bull. 43, 227-233.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.190   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.685   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.24 deg. U-B UB 0.259   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.24 deg. Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 347 Pariana (A892 WD)          Discovered 1892-Nov-28 by Charlois, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 01:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin