+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1035 Amata (A924 SF) Classification: Main-belt Asteroid          SPK-ID: 2001035 [ 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 .1897606840027931 4.032e-08   a 3.152533474166363 1.6089e-08 au q 2.554306565766852 1.2277e-07 au i 18.00195170738086 4.2255e-06 deg node 1.886610886706413 1.1548e-05 deg peri 324.71600070391 1.6216e-05 deg M 92.98285843587715 1.3494e-05 deg tp 2458472.433789509612 (2018-Dec-19.93378951) 7.5569e-05 TDB period 2044.50410510491 5.60 1.5651e-05 4.285e-08 d yr n .1760818181294516 1.3479e-09 deg/d Q 3.750760382565874 1.9142e-08 au   Orbit Determination Parameters    # obs. used (total)      2587      data-arc span      39091 days (107.03 yr)      first obs. used      1913-10-31      last obs. used      2020-11-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39462      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:57:51   Additional Information  Earth MOID = 1.56559 au   Jupiter MOID = 1.74718 au   T_jup = 3.104  [ hide covariance matrix ] Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1951684095790127 4.1221e-08   q 2.531977624184921 1.2668e-07 au tp 2456422.401503387178 (2013-May-09.90150339) 7.0237e-05 TDB node 2.010268395966899 1.1548e-05 deg peri 323.5279610795935 1.5875e-05 deg i 18.03107758492203 4.224e-06 deg   Orbit Determination Parameters    # obs. used (total)      2587      data-arc span      39091 days (107.03 yr)      first obs. used      1913-10-31      last obs. used      2020-11-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39462      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:57:51   Additional Information  Jupiter MOID = 1.74718 au   T_jup = 3.104  Orbit Covariance (6×6)   e q tp node peri i e 1.699191199347938E-15 -5.199476308205431E-15 1.258088680097612E-12 5.986330782615346E-15 1.628147514245495E-13 -1.032229626069568E-15 q -5.199476308205431E-15 1.604795526038773E-14 -3.941354066440599E-12 -1.734840366318702E-14 -5.060942894479554E-13 3.744434716931414E-15 tp 1.258088680097612E-12 -3.941354066440599E-12 4.933180208408119E-9 1.526729587425848E-11 7.773107574945321E-10 -5.122635741075471E-12 node 5.986330782615346E-15 -1.734840366318702E-14 1.526729587425848E-11 1.333587654227464E-10 -1.243371507918134E-10 5.970510557656506E-12 peri 1.628147514245495E-13 -5.060942894479554E-13 7.773107574945321E-10 -1.243371507918134E-10 2.520009736514964E-10 -6.640558581092275E-12 i -1.032229626069568E-15 3.744434716931414E-15 -5.122635741075471E-12 5.970510557656506E-12 -6.640558581092275E-12 1.784184453384251E-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 10.3   n/a MPO452173   diameter diameter 56.063 km 0.404 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 9.081 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Kirkpatrick, E.; Hirsch, B.; LeCrone, C.; Schwoenk, D.; et al. (2003) Minor Planet Bull. 30, 41.] [Stephens, R.D. (2003) Minor Planet Bull. 30, 31.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] geometric albedo albedo 0.038   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1035 Amata (A924 SF)          Discovered 1924-Sep-29 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A924 SF = 1935 SU = 1969 TJ4 = A913 UC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 19:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin