+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   266754 (2009 SA77) Classification: Outer Main-belt Asteroid          SPK-ID: 2266754 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09463426018432089 5.9492e-08   a 3.251464304555468 4.9776e-08 au q 2.943764385578134 1.9094e-07 au i 5.935172155161226 6.5646e-06 deg node 89.07134850915384 7.5937e-05 deg peri 347.9470406004531 8.865e-05 deg M 251.1767521770591 4.4354e-05 deg tp 2459647.845443128784 (2022-Mar-09.34544313) 0.00026587 TDB period 2141.494250433817 5.86 4.9175e-05 1.346e-07 d yr n .1681069187680856 3.8603e-09 deg/d Q 3.559164223532802 5.4486e-08 au   Orbit Determination Parameters    # obs. used (total)      141      data-arc span      5320 days (14.57 yr)      first obs. used      2003-10-22      last obs. used      2018-05-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57477      source      ORB      producer      Otto Matic      solution date      2018-Oct-04 10:15:13   Additional Information  Earth MOID = 1.95952 au   Jupiter MOID = 1.66728 au   T_jup = 3.166  [ 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 16.0   n/a MPO440311   diameter diameter 3.236 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.061   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   266754 (2009 SA77)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak Reference: 20110218/Numbers.arc Last Updated: 2011-02-22 [ 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 1938-Sep-12 04:39 00:07 Jupiter 1.93630006311646 1.93629793288769 1.93630219336141 3.59469907032867 3.47087506920748 2429153.693488549 7.11480509890936 321.697964461314 27.4789236077881 76.1672542463167 1834694.26052461 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 1950-Jan-12 07:19 00:06 Jupiter 1.84093070843366 1.84092900458538 1.84093241229323 3.09965732669782 2.94748441155709 2433293.804973091 6.00296288280036 269.275870263356 21.7187560604922 78.4324521971593 1773864.92952642 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 1961-Jun-09 23:38 00:05 Jupiter 1.77368345595538 1.77368226529791 1.77368464661991 2.79014663496118 2.61339209946357 2437460.484932456 4.77322219322518 222.382101588955 16.9437256546371 81.625387324054 1786581.43342446 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 1972-Dec-01 01:47 00:04 Jupiter 1.73518124630218 1.73518044991173 1.73518204269565 2.61951816619782 2.42602196616236 2441652.574259338 3.58153586830574 174.420805541273 15.1304225304382 84.1240905223292 1820313.09738173 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 1984-Jun-13 01:56 00:03 Jupiter 1.72381660398276 1.72381599563699 1.7238172123292 2.54021402801057 2.33879414203428 2445864.580450175 2.498236513265 133.092179283243 15.3267476535062 85.2154735689878 1861047.14926004 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 1996-Jan-08 03:35 00:02 Jupiter 1.72629997630022 1.72629940654801 1.72630054605243 2.50512794427112 2.3009455567343 2450090.649638281 1.54179269951448 110.513628542743 15.865693462913 84.936088331624 1886455.15091702 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2007-Aug-09 19:10 < 00:01 Jupiter 1.74083930423487 1.74083870106324 1.7408399074064 2.50059639435279 2.29779516528986 2454322.298609555 0.748286845092736 105.589172868376 17.6078610839865 84.8886147910936 1873379.55201794 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2019-Mar-11 06:33 < 00:01 Jupiter 1.77264443950507 1.77264372611517 1.77264515289486 2.53573205720695 2.33971734731618 2458553.772944592 0.640508652273369 107.372993454959 22.3987995850063 85.2240038716822 1810629.91518937 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2030-Oct-02 22:42 00:01 Jupiter 1.82167827907379 1.8216773570845 1.82167920106298 2.61565831907927 2.43140535335318 2462777.446072724 1.33759481745969 111.470285096816 30.0032502128284 83.2506859926754 1686284.87577624 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2042-Apr-14 01:06 00:02 Jupiter 1.89157344994821 1.89157224752337 1.89157465237347 2.75821508454745 2.59078673528064 2466988.545890787 2.15203318397115 127.143749435309 36.0694985815011 77.5664082027164 1611797.44234071 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2053-Oct-08 15:57 00:03 Jupiter 1.9775559199008 1.97755441844481 1.97755742135892 2.97501249558568 2.82737751861465 2471184.164781676 2.96620819446805 162.319471557711 37.1198157516176 73.501964702823 1718757.40972695 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 2200-Aug-24 09:47 00:08 Jupiter 1.9101756098198 1.91017262750188 1.91017859215802 3.58297021438748 3.45699617080783 2524828.907450959 7.83184409957097 362.53052102373 30.1395881921895 72.8155051868545 1611922.64782101 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:15:15 2018-Dec-17 23:47 Alternate Designations  2009 SA77 = 2003 UC387  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-29 11:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin