+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78919 (2003 SG108) Classification: Main-belt Asteroid          SPK-ID: 2078919 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2032525364599998 4.8753e-08   a 2.360979907521549 1.2235e-08 au q 1.881104752786699 1.129e-07 au i 4.260283144003854 4.4593e-06 deg node 250.8131492048161 6.3313e-05 deg peri 102.5573464358559 6.4545e-05 deg M 227.6036692899029 1.687e-05 deg tp 2459487.815597288285 (2021-Sep-30.31559729) 6.5091e-05 TDB period 1325.064026192104 3.63 1.03e-05 2.82e-08 d yr n .2716849849395943 2.1119e-09 deg/d Q 2.840855062256399 1.4722e-08 au   Orbit Determination Parameters    # obs. used (total)      661      data-arc span      12651 days (34.64 yr)      first obs. used      1985-10-22      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55076      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:25:02   Additional Information  Earth MOID = .881715 au   Jupiter MOID = 2.62107 au   T_jup = 3.519  [ 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 15.7   n/a MPO366151   diameter diameter 2.036 km 0.576 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.186   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78919 (2003 SG108)          Discovered 2003-Sep-20 by NEAT at Palomar Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1939-Jul-08 15:48 00:04 Eunom 0.0230073133141359 0.0230022016059969 0.0230124311415659 3.09969686711607 3.09969667027815 2429453.158657455 4.38049527202551 648.811904269405 36.2088802288345 -67.1010161320225 87435.4655076535 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 1976-Nov-22 04:49 < 00:01 Amphi 0.0436368656205417 0.0436297413761018 0.04364398999031 4.25385230704069 4.25385227607098 2443104.700830744 0.709015386672999 374.324193511311 60.8147530600409 -18.6903430473606 38140.6365851649 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 2009-Jul-23 11:48 < 00:01 Amphi 0.0449899622862452 0.0449879744304098 0.0449919501437619 4.25155458105628 4.25155455100177 2455035.991461324 0.626876957466363 100.573984549906 59.9224285496052 -12.3245988988359 69602.4822895465 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 2074-Nov-19 21:29 00:01 Amphi 0.0329012226563221 0.0328931027982727 0.03290934509819 4.14288713480746 4.14288709263219 2478896.395098954 1.07257761232217 616.338762134694 60.3344469862149 -49.2630979053443 62000.9461888674 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 2107-Jul-20 09:51 00:02 Amphi 0.0316391649636335 0.0316324894519618 0.0316458499401154 4.06462144187219 4.06462139717009 2490825.910661678 1.79073266882345 937.832328390996 59.7062963379253 -69.5113229496499 74241.9708559447 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 2140-Mar-20 05:48 00:02 Amphi 0.0341883440153599 0.0341777040438674 0.0341989992148037 4.07486083888819 4.07486079762316 2502757.741656572 2.32275150087479 1261.65116226425 59.9290531759839 -65.262536611778 77490.1223140958 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 2172-Nov-18 23:12 00:03 Amphi 0.0400603392819917 0.0400429906891921 0.0400777054439489 4.09801639115585 4.09801635613838 2514689.466732338 2.78801400677991 1582.93568167841 60.2753337412142 -56.9307653477919 83303.8979133637 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:04 2020-Nov-12 21:25 Alternate Designations  2003 SG108 = 1985 UP1 = 2002 JL131  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 15:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin