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233901 (2009 BT)
Classification: Main-belt Asteroid          SPK-ID: 2233901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903394791402277 4.9236e-08  
a 3.116470938544423 3.1516e-08 au
q 2.523283483346221 1.4459e-07 au
i 12.50238886318244 6.9328e-06 deg
node 293.5304638050673 2.4527e-05 deg
peri 145.5190897918895 3.3921e-05 deg
M 131.5275092096671 1.9874e-05 deg
tp 2458662.312233088458
(2019-Jun-27.81223309)
0.0001104 TDB
period 2009.523313231941
5.50
3.0482e-05
8.346e-08
d
yr
n .179146963675185 2.7175e-09 deg/d
Q 3.709658393742625 3.7515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:00:50  

Additional Information
 Earth MOID = 1.55007 au 
 Jupiter MOID = 1.56517 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457655.5 (2016-Sep-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902904397075971 4.922e-08  
q 2.523387898054999 1.4465e-07 au
tp 2456654.355407918908
(2013-Dec-27.85540792)
0.00011468 TDB
node 293.5481355831695 2.452e-05 deg
peri 145.9456491848184 3.3922e-05 deg
i 12.50401753391347 6.9336e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:00:50  

Additional Information
 Jupiter MOID = 1.56517 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.422626967485621E-15 -7.028179763706912E-15 3.039552575561824E-13 -1.45612627566945E-14 3.983336623027789E-14 -5.25933738282182E-15
q -7.028179763706912E-15 2.092376273957713E-14 -1.75011021815301E-12 4.347506970340005E-14 -2.287084233406639E-13 1.736186870525852E-14
tp 3.039552575561824E-13 -1.75011021815301E-12 1.315238313278177E-8 1.189483141746214E-12 2.69939398133993E-9 -1.136077408365973E-11
node -1.45612627566945E-14 4.347506970340005E-14 1.189483141746214E-12 6.012542799660207E-10 -5.858807552953393E-10 6.932580212587253E-11
peri 3.983336623027789E-14 -2.287084233406639E-13 2.69939398133993E-9 -5.858807552953393E-10 1.150719571816541E-9 -6.972640843030951E-11
i -5.25933738282182E-15 1.736186870525852E-14 -1.136077408365973E-11 6.932580212587253E-11 -6.972640843030951E-11 4.807549122676255E-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 15.65   n/a E2021B55  

233901 (2009 BT)          Discovered 2009-Jan-16 by Lowe, A. at Mayhill
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ 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
1900-Nov-03 12:14 00:06 Jupiter 1.72677945784419 1.72677657060068 1.7267823452212 3.09694969498981 2.93428941011268 2415327.009538834 5.76930221877201 804.702841279635 18.588484640393 77.8425077709265 1792534.06946438 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
1973-Mar-08 01:00 00:02 Jupiter 1.61097373887655 1.61097273651703 1.61097474123598 3.64066507894756 3.49326156106843 2441749.542009245 2.07678748149129 281.408025080355 46.7688503366303 88.8767866839492 1885695.64237698 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
1983-Jul-06 20:35 00:02 Jupiter 1.84685528594528 1.84685414093205 1.84685643096366 2.88296972813789 2.71923798929862 2445522.357293910 1.72258367529666 197.716441601113 28.2683096521028 72.7194467239341 1752249.28656271 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
2045-Aug-09 08:27 00:02 Jupiter 1.97261462470277 1.97261321051938 1.9726160389134 3.7081846971641 3.59052255386136 2468201.852360746 1.59061491429637 505.96266196424 40.4632814554399 83.9676278784123 1728414.59131496 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
2055-Nov-22 03:42 00:02 Jupiter 1.58493298641589 1.58493235321703 1.58493361962546 3.56107788590787 3.40770192323989 2471958.654329643 1.864103962456 352.890786329917 20.2575066458453 86.3753156507476 1965645.1396358 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
2066-Mar-03 07:16 00:03 Jupiter 1.98550228484249 1.98549990914049 1.9855046605472 2.67541955179289 2.51090869783447 2475712.802994054 2.93784286202819 175.867392661595 58.2149525429037 44.1446267543037 2129855.5264522 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
2128-Apr-07 17:10 00:06 Jupiter 1.82104321081982 1.82103924024277 1.82104718165711 3.57516908182566 3.44261139458005 2498393.215452315 5.90954749719707 1192.30986192144 60.4335172853307 80.8200615111207 1522204.59582026 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00
2138-Aug-08 18:03 00:06 Jupiter 1.60209175729387 1.60208959992469 1.60209391491313 3.47415933080606 3.31849172086741 2502168.251859574 5.76025015891734 1048.42512552556 13.3125474907597 83.8232499981446 1931723.34412585 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 04:00:51 2021-Jul-09 04:00

Alternate Designations
 2009 BT = 2007 TO137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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