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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09463432452358361 5.1036e-08  
a 3.251464330951406 3.7192e-08 au
q 2.943764200279294 1.7786e-07 au
i 5.93516736157443 5.294e-06 deg
node 89.07131641165986 7.0484e-05 deg
peri 347.9470355247041 8.3039e-05 deg
M 251.176787030119 4.366e-05 deg
tp 2459647.845243684929
(2022-Mar-09.34524368)
0.00026306 TDB
period 2141.494276511337
5.86
3.6744e-05
1.006e-07
d
yr
n .1681069167210049 2.8844e-09 deg/d
Q 3.559164461623519 4.0712e-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 = 1.95952 au 
 Jupiter MOID = 1.66728 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09391072800999743 4.8981e-08  
q 2.945568365013453 1.7114e-07 au
tp 2457473.597308859292
(2016-Mar-26.09730886)
0.00025562 TDB
node 89.22037914493379 7.085e-05 deg
peri 343.1583362028067 8.3659e-05 deg
i 5.923785456130204 5.2593e-06 deg
  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
 Jupiter MOID = 1.66728 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.399148920980141E-15 -8.229807903081857E-15 4.784985347572572E-13 5.052136164355045E-15 1.782136321266348E-13 -3.974870847710372E-16
q -8.229807903081857E-15 2.929033035853333E-14 1.070078554691574E-12 -2.123113555327008E-14 -1.365521898415924E-13 3.495578523022876E-15
tp 4.784985347572572E-13 1.070078554691574E-12 6.534147259426694E-8 -4.892499780598562E-11 1.146000054942495E-8 1.551207868982226E-11
node 5.052136164355045E-15 -2.123113555327008E-14 -4.892499780598562E-11 5.01968773104632E-9 -5.001897948115296E-9 9.005600746784265E-11
peri 1.782136321266348E-13 -1.365521898415924E-13 1.146000054942495E-8 -5.001897948115296E-9 6.998885698724367E-9 -8.695517483456591E-11
i -3.974870847710372E-16 3.495578523022876E-15 1.551207868982226E-11 9.005600746784265E-11 -8.695517483456591E-11 2.766043692585175E-11

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.arcLast 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 ]
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