+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09485360355972441 5.118e-08   a 3.248701113057282 3.6685e-08 au q 2.940550105595312 1.7817e-07 au i 5.934449319810987 5.2934e-06 deg node 89.05733985141298 7.0532e-05 deg peri 348.4687201952244 8.2995e-05 deg M 284.3211642905102 4.3709e-05 deg tp 2459650.109008119655 (2022-Mar-11.60900812) 0.00026208 TDB period 2138.764971813373 5.86 3.6227e-05 9.918e-08 d yr n .1683214400574227 2.8511e-09 deg/d Q 3.556852120519253 4.0165e-08 au   Orbit Determination Parameters    # obs. used (total)      172      data-arc span      6204 days (16.99 yr)      first obs. used      2003-10-22      last obs. used      2020-10-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54855      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 22:23:40   Additional Information  Earth MOID = 1.95591 au   Jupiter MOID = 1.66784 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 16.16   n/a E2021B55   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 1.93630025701437 1.93629817671767 1.93630233732504 3.5946998294274 3.47087586800787 2429153.693427777 6.56139749068208 295.476424238183 21.8018149687719 74.95812012606 2156349.16860572 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 1950-Jan-12 07:19 00:06 Jupiter 1.84093082778139 1.84092917498858 1.84093248058362 3.09965733466717 2.94748443005794 2433293.804868899 5.4976043717478 246.37752863577 19.0081986550539 77.5122658624066 1870385.41161837 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 1961-Jun-09 23:38 00:04 Jupiter 1.77368349665368 1.77368235130882 1.77368464200429 2.79014606823138 2.61339149859638 2437460.484794414 4.33502692040631 203.549546754282 15.7700835230295 80.9613182806765 1795847.34305024 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 1972-Dec-01 01:47 00:03 Jupiter 1.73518121509751 1.73518045899818 1.73518197119912 2.61951725224885 2.42602097569952 2441652.574112757 3.22946719235585 160.886964974178 14.2044311543064 83.5682194199286 1875625.86999945 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 1984-Jun-13 01:56 00:02 Jupiter 1.72381650784411 1.72381594356998 1.72381707211863 2.54021291352264 2.33879291984813 2445864.580322878 2.25288475959983 125.405875190842 13.7156031271888 84.8635417024817 2054491.88420955 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 1996-Jan-08 03:35 00:01 Jupiter 1.72629981734211 1.72629931656134 1.72630031812288 2.50512669762218 2.30094417982421 2450090.649538958 1.42122589129593 107.033915706502 13.1016183870139 85.2957662895776 2230129.7464696 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2007-Aug-09 19:10 < 00:01 Jupiter 1.74083907601791 1.74083860983486 1.74083954220087 2.50059505502102 2.29779367999017 2454322.298586122 0.738985789361563 102.724408845943 12.9469864179735 86.28784261646 2364533.88453097 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2019-Mar-11 06:33 < 00:01 Jupiter 1.77264413295121 1.77264368131146 1.77264458459086 2.53573063568276 2.33971577138281 2458553.772996367 0.46464797580361 101.721269102321 14.6532341482422 88.0183750765131 2525604.51572036 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2030-Oct-02 22:43 < 00:01 Jupiter 1.82167788785971 1.82167736626802 1.82167840945131 2.61565673403529 2.43140360712527 2462777.446239046 0.917349986834249 98.3451419523393 19.6087563485792 88.838797070321 2647560.07784564 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2042-Apr-14 01:06 00:02 Jupiter 1.8915729792866 1.8915722718924 1.89157368668091 2.75821338577156 2.59078488371639 2466988.546143025 1.54138200893272 99.5016584883357 26.9956769607908 84.9769966486596 2562547.4942662 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2053-Oct-08 15:58 00:02 Jupiter 1.97755538957304 1.9775544265717 1.97755635257517 2.97501060886592 2.82737549275198 2471184.165126910 2.19028882821454 120.236826100846 30.9168792255577 78.0967926317362 2499290.33072536 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 2200-Aug-24 09:47 00:07 Jupiter 1.91017595125661 1.91017347562348 1.91017842690441 3.58297243579301 3.45699849608968 2524828.907812288 6.77680128096701 309.54785841952 27.6599916973712 73.5553866819655 1770656.55889304 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:41 2020-Nov-11 22:23 Alternate Designations  2009 SA77 = 2003 UC387  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 07:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin