CRITERIA GLOSSARY Search Criteria Parameter Units Data Example Values Example Eros¶ Reference Export column name type [min, max] Asteroid No Asteroid Number integer [433, 468117] 433 MPC AsteroidNo Name Name text [Abhramu, Zeus] Eros MPC Name Prov Design Asteroid Provisional text [1989 DQ, 2015 ] 1898 DQ MPC ProvisionalDesign Designation Core Absolute Magnitude H mag float [9.45, 33.2] 11.16 MPC AbsoluteMagnitude Arc Length Orbit Arc Length days integer [1,383] MPC ArcLength Ascending Longitude Orbit Ascending degree float [0.00, 359.99] 304.3302 MPC AscendingLongitude Longitude (Node) Ecliptic Inclination Orbit Ecliptic Inclination degree float [0, 75] 10.82819 MPC EclipticInclination (Incl.) Computer Name Computer Name text MPCALB, MPCLINUX, MPCLINUX MPC ComputerName MPCW Epoch Epoch of Mean Anomaly, date date mm/dd/yyyy 7/31/2016 MPC Epoch epoch of osculation of http://www.minorplanetcenter.net/iau/info the orbital elements /OrbElsExplanation.html First Year Observed Orbit First Year Observed date 1/1/yyyy, 1/1/2012, null 1/1/1893 MPC FirstYearObserved Last Year Observed Orbit Last Year Observed date 1/1/yyyy, null 1/1/2014 MPC LastYearObserved fullname Number Name text 433 Eros (1898 DQ) 433 Eros (1898 DQ) JPL fullname (ProvDesign), or 349928 (2009 WD106) Number (ProvDeisgn), or (1979 XB) ProvDesign 468117 (2014 ED) Is1km Or Larger Is1kmOrLarger logical true, false true MPC Is1kmOrLarger Is1Opposition Seen Earlier Is1OppositionSeenEarlier logical true, false false MPC Is1OppositionSeenEarlier Is Critical List IsCriticalList logical true, false false MPC IsCriticalList Is NEO IsNEO logical true true MPC IsNEO Mean Anomaly Orbit Mean Anomaly (M) degree float [0.00,179.99] 207.34218 MPC MeanAnomaly at Epoch, position of the http://www.minorplanetcenter.net/iau/info orbiting body along the /OrbElsExplanation.html ellipse at epoch https://en.wikipedia.org/wiki/Orbital_elem ents Mean Daily Motion Orbit Mean Daily Motion arcsec/day float [0.00, 2.10] 0.55987555 MPC MeanDailyMotion (n) MOID Earth Minimum Orbital au float [4.54e-7, 0.8] 0.147632 JPL MOID Intersect Distance Observations Orbit Observations integer [4, 7000] 6964 MPC Observations Oppositions Orbit Oppositions integer [1, 55] 50 MPC Oppositions Orbital Eccentricity Orbital Eccentricity degree float [0.01, 0.96] 0.2226062 MPC OrbitEccentricity Orbit Data Orbit Data days, integer 1 days, 383 days, 1998- 1893-2016 MPC OrbitData (yyyy- 2012 yyyy) Orbit Type Orbit Type ‡ text Amor, Apollo, Aten, Amor MPC OrbitType "Object with q<1.665 http://www.minorplanetcenter.net/db_sea AU" rch http://minorplanetcenter.net/blog/asteroid -classification-i-dynamics/ Ex: Atira is "Object with q<1.665 AU" Orbit Class Orbit Class § text AMO, APO, ATE, IEO AMO JPL OrbitClass http://neo.jpl.nasa.gov/neo/groups.html Perihelion Date of Perihelion (Peri.), degree float [0, 359.99] 178.79897 MPC Perihelion J2000.0 argument of http://www.minorplanetcenter.net/iau/info perihelion. /OrbElsExplanation.html Perturbers Coarse Orbit Perturbers Coarse text M-h, M-v M-v MPC PerturbersCoarse http://www.minorplanetcenter.net/iau/info /Perturbers.html Perturbers Precise Orbit Perturbers Precise text 3E, 3Eh, 38h 38h MPC PerturbersPrecise http://www.minorplanetcenter.net/iau/info /Perturbers.html PHA Potentially Hazardous text Y, N N JPL PHA Asteroid Reference Minor Planet Circulars text MPO, E2015- MPO378584 MPC Reference Orbit Supplement (MPOs) http://www.minorplanetcenter.net/iau/ser vices/MPCServices.html http://www.minorplanetcenter.net/iau/EC S/MPCArchive/MPCArchive_TBL.html RMSResidual Orbit RMS Residual arcsec float 0.66000003 MPC RMSResidual Semimajor Axis Orbit Semimajor Axis au float [0.6, 18] 1.4578778 MPC SemimajorAxis Slope Parameter Slope Parameter (G) float [-0.2, 0.6] 0.46 MPC SlopeParameter G=0.15 is the Fiducial Value Tjup Tisserand Parameter float [1.4, 9.1] 4.583 JPL T_jup http://ssd.jpl.nasa.gov/sbdb_query.cgi http://sbn.pds.nasa.gov/about/what_r_sb .shtml https://en.wikipedia.org/wiki/Tisserand% 27s_parameter Uncertainty Param Orbit Uncertainty text [0, 9] 0 MPC UncertaintyParam Parameter E http://www.minorplanetcenter.net/iau/info /UValue.html Taxonomy Complex Taxonomic Complex (by text &A, &B, &C, &D, &K, &S neoproperties TaxonomyComplex.Complex majority), where Complex &L, &S, &Q, &X, &X/C, https://neoproperties.arc.nasa.gov/home/ represents one or more &V, &U TaxonomyRules assignments of Taxonomy Complex All Taxonomic Complex text &Q;&Q;&Q;&Q;&S; TaxonomyComplex.Complex_all assignments (ordered &S;&S;&S;&S;&S; list) &Q;&S;&S Complex List Taxonomic Complex (list text &Q;&S TaxonomyComplex.Complex_list of unique Complex assignments) Complex Prime broader groupings of text $C, $S, $X, $X/C $S https://neoproperties.arc.nasa.gov/home/ TaxonomyComplex.ComplexPrime Complex TaxonomyRules Taxonomy Taxonomy assignments text S;S*;Sw https://neoproperties.arc.nasa.gov/home/ TaxonomyComplex.Taxonomy (subset from which TaxonomyRules Complex were chosen) Taxonomy All Taxonomy assignments text Sq/Q;Q/Sq;Q/Sq;Q/ TaxonomyComplex.Taxonomyall (ordered list) Sq;Sw;Sw;Sw;Sw; Sw;Sw;Sqw;S*;S Taxonomy List Taxonomy (list of unique text Q/Sq;S;S*;Sq/Q;Sq TaxonomyComplex.Taxonomylist Taxonomy assignments) w;Sw Tax Refs Taxonomy References text binzel04_t1; https://neoproperties.arc.nasa.gov/home/ TaxonomyComplex.TaxonomyRefs (subset of References all thomas11_t1; DataSources that match Complex) thomas14_t2 Tax Refsall Taxonomy References text thomas14_t1;thom TaxonomyComplex.Tax_Refs_all (ordered list) as14_t1;thomas14_ t1;thomas14_t1;tho mas14_t2;thomas1 4_t2;thomas14_t2;t homas14_t2;thoma s14_t2;thomas14_t 2;thomas14_t2;tho mas11_t1;binzel04 _t1 Tax Refslist References (list of unique text binzel04_t1;thoma TaxonomyComplex.Tax_Refs_List Taxonomic References) s11_t1;thomas14_t 1;thomas14_t2 Diameter D Diameter derived from km float [0.008, 35.31] 22.3 Diameter.D model-fitting of IR measurements D1sigl Diameter 1 sigma km float Diameter.D1sigl uncertainty (lower) D1sigu Diameter 1 sigma km float Diameter.D1sigu uncertainty (upper) eta IR Beaming Parameter float [0.74 , 3.14] 1.00 Diameter.eta (eta) from NEATM model 1.00 if not fitted eta1sigl eta 1sigma (lower) float Diameter.eta1sigl uncertainty eta1sigu eta 1sigma (upper) float Diameter.eta1sigu uncertainty pv geometric albedo from float [0.0, 1.40] 0.23 Diameter.pv model-fitting of IR measurements pv1sigl pv 1 sigma (lower) float Diameter.pv1sigl uncertainty pv1sigu pv 1 sigma (upper) float Diameter.pv1sigu uncertainty G Slope parameter used in float 0.15 is fiducial value 0.15 Bowell et al., 1989 in Asteroids II, 524- Diameter.G Diameter derivation [0.09, 0.60] 556 (University of Arizona Press, ISBN 0-8165-1123-3) DRefs Reference of D text thomas2014_t3 https://neoproperties.arc.nasa.gov/home/ DiameterRules ¶ Export or 'drill down', via double-click to bring up popup, to show more significant digits ‡ NEO orbit type generated by MPC § NEO orbit group generated by JPL .