+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   360 Carlova (A893 EE) Classification: Main-belt Asteroid          SPK-ID: 2000360 [ 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 55 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1739531626559291 3.1382e-08   a 3.009027378792829 1.1508e-08 au q 2.485597549733536 9.2727e-08 au i 11.73544259393348 3.6758e-06 deg node 132.1982083779034 1.6064e-05 deg peri 289.2135078556884 1.9084e-05 deg M 254.0673731840134 1.2086e-05 deg tp 2459561.502603544354 (2021-Dec-13.00260354) 6.5064e-05 TDB period 1906.50362731767 5.22 1.0937e-05 2.994e-08 d yr n .1888273354646051 1.0832e-09 deg/d Q 3.532457207852123 1.3509e-08 au   Orbit Determination Parameters    # obs. used (total)      3584      data-arc span      42609 days (116.66 yr)      first obs. used      1904-03-21      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38729      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:53:00   Additional Information  Earth MOID = 1.52868 au   Jupiter MOID = 1.88232 au   T_jup = 3.196  [ hide covariance matrix ] Orbital Elements at Epoch 2455496.5 (2010-Oct-27.0) TDB Reference: JPL 55 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1804234388405307 3.1544e-08   q 2.461865802236081 9.449e-08 au tp 2455750.075108644618 (2011-Jul-07.57510864) 5.8156e-05 TDB node 132.6416296025918 1.6182e-05 deg peri 287.6580404106275 1.8905e-05 deg i 11.7021194954984 3.6654e-06 deg   Orbit Determination Parameters    # obs. used (total)      3584      data-arc span      42609 days (116.66 yr)      first obs. used      1904-03-21      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38729      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:53:00   Additional Information  Jupiter MOID = 1.88232 au   T_jup = 3.196  Orbit Covariance (6×6)   e q tp node peri i e 9.950135790204897E-16 -2.968962614770594E-15 4.973991725361601E-13 4.273608249724006E-15 9.504592270818819E-14 1.207559430308837E-15 q -2.968962614770594E-15 8.928361325767515E-15 -1.462961901287876E-12 -1.145810617586557E-14 -2.841456110281847E-13 -3.852915577420953E-15 tp 4.973991725361601E-13 -1.462961901287876E-12 3.382131145470306E-9 5.900986545361877E-12 5.844669641748005E-10 1.138702805355854E-12 node 4.273608249724006E-15 -1.145810617586557E-14 5.900986545361877E-12 2.618662446735327E-10 -2.550373323010219E-10 -1.822889588899611E-11 peri 9.504592270818819E-14 -2.841456110281847E-13 5.844669641748005E-10 -2.550373323010219E-10 3.574080780736757E-10 1.805313967083167E-11 i 1.207559430308837E-15 -3.852915577420953E-15 1.138702805355854E-12 -1.822889588899611E-11 1.805313967083167E-11 1.343542097310835E-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 8.5   n/a MPO492753 IRAS observations used: 15 diameter diameter 129.125 km 2.832 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.183 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.] [Di Martino, M.; Zappala, V.; De Campos, J.A.; Debehogne, H.; Lagerkvist, C.-I. (1987) Astron. Astrophys. Suppl. Ser. 67, 95-101.] [Michalowski, T.; Pych, W.; Berthier, J.; Kryszczynska, A.; et al. (2000) Astron. Astrophys. Suppl. Ser. 146, 471-479.] [Wang, X.-B. (2002) Earth, Moon, and Planets 91, 25-30.] [Durech, J. (2006) IAU 2006, poster paper.] [Wang, X.-B.; Zhang, X.-L. (2006) Chinese Astron. Astrophys. 30, 410-419.] [Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.] [Alton, K.B. (2012) Minor Planet Bull. 39, 107-108.] [Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Wang, X.; Muinonen, K.; Wang, Y.; Behrend, R.; et al. (2015) Astron. Astrophys. 581, A55.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Hanus, J.; Viikinkoski, M.; Marchis, F.; Durech, J.; et al (2017) Astron. Astrophys. 601, A114.] [Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.692   0.033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.25, mean=11.15, max.=14.04) deg. U-B UB 0.269   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.25, mean=11.15, max.=14.04) deg. Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 360 Carlova (A893 EE)          Discovered 1893-Mar-11 by Charlois, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A893 EE = 2017 YP22 = A903 BC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 04:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin