+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1897666114800195 2.2765e-08   a 3.153116223080273 1.4143e-08 au q 2.554760041823652 7.0805e-08 au i 18.00207076855471 1.2719e-06 deg node 1.876650121468479 2.7509e-06 deg peri 324.7877865126404 7.204e-06 deg M 128.1176280126932 9.9615e-06 deg tp 2458472.695420174251 (2018-Dec-20.19542017) 5.4644e-05 TDB period 2045.071024194353 5.60 1.376e-05 3.767e-08 d yr n .1760330060623789 1.1844e-09 deg/d Q 3.751472404336894 1.6827e-08 au   Orbit Determination Parameters    # obs. used (total)      2992      data-arc span      39217 days (107.37 yr)      first obs. used      1913-10-31      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .37317      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 11:50:50   Additional Information  Earth MOID = 1.56414 au   Jupiter MOID = 1.74693 au   T_jup = 3.104  [ hide covariance matrix ] Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1936095483177853 2.3219e-08   q 2.540641831371931 7.2807e-08 au tp 2456421.796952922988 (2013-May-09.29695292) 5.0897e-05 TDB node 1.967900119994724 2.7455e-06 deg peri 323.7896339004947 7.1415e-06 deg i 18.03860519759741 1.2812e-06 deg   Orbit Determination Parameters    # obs. used (total)      2992      data-arc span      39217 days (107.37 yr)      first obs. used      1913-10-31      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .37317      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 11:50:50   Additional Information  Jupiter MOID = 1.74693 au   T_jup = 3.104  Orbit Covariance (6×6)   e q tp node peri i e 5.391055214475192E-16 -1.670692901330504E-15 7.784345292624427E-13 -1.402291275326479E-14 1.047703238303293E-13 6.500137871323711E-15 q -1.670692901330504E-15 5.300797495333289E-15 -2.410494163308159E-12 4.210391875848955E-14 -3.14463295471939E-13 -1.950318815545342E-14 tp 7.784345292624427E-13 -2.410494163308159E-12 2.590539299188553E-9 -1.25658017758262E-11 3.335972320966513E-10 6.043888917191855E-12 node -1.402291275326479E-14 4.210391875848955E-14 -1.25658017758262E-11 7.537830591440652E-12 -8.765162933195644E-12 -3.424286415816182E-12 peri 1.047703238303293E-13 -3.14463295471939E-13 3.335972320966513E-10 -8.765162933195644E-12 5.100116198792933E-11 4.053179485438855E-12 i 6.500137871323711E-15 -1.950318815545342E-14 6.043888917191855E-12 -3.424286415816182E-12 4.053179485438855E-12 1.641466160189893E-12 [ 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 10.36   n/a E2021B10   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-Apr-14 05:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin