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212968 (2009 BH104)
Classification: Main-belt Asteroid          SPK-ID: 2212968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509760701460598 6.1736e-08  
a 2.40920270935047 1.5637e-08 au
q 2.045470752107496 1.4628e-07 au
i 1.861076567100568 4.7055e-06 deg
node 294.0875955986553 0.00021867 deg
peri 303.1511020474164 0.00021945 deg
M 188.9354265936469 1.8037e-05 deg
tp 2459249.531864426902
(2021-Feb-04.03186443)
6.8721e-05 TDB
period 1365.867090660907
3.74
1.3298e-05
3.641e-08
d
yr
n .2635688365738466 2.566e-09 deg/d
Q 2.772934666593445 1.7998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      9017 days (24.69 yr)  
   first obs. used      1994-02-11  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67369  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:12  

Additional Information
 Earth MOID = 1.03419 au 
 Jupiter MOID = 2.23525 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513114087434287 6.1448e-08  
q 2.044364830552335 1.4557e-07 au
tp 2456519.065066541078
(2013-Aug-14.56506654)
7.1526e-05 TDB
node 294.1761783543818 0.00021853 deg
peri 303.2501679399802 0.00021931 deg
i 1.86198109861311 4.7071e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      9017 days (24.69 yr)  
   first obs. used      1994-02-11  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67369  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:12  

Additional Information
 Jupiter MOID = 2.23525 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.775832749613206E-15 -8.909666964045691E-15 -1.891572857931676E-12 -1.048854101986569E-13 -4.982991150308477E-13 -1.332181197057093E-15
q -8.909666964045691E-15 2.119118326214976E-14 4.280393141445265E-12 2.495357402634232E-13 1.134546044930564E-12 3.271085154445962E-15
tp -1.891572857931676E-12 4.280393141445265E-12 5.116034466976522E-9 6.222872839353234E-11 1.39681325656305E-9 -8.627594589458714E-14
node -1.048854101986569E-13 2.495357402634232E-13 6.222872839353234E-11 4.775686478148211E-8 -4.771041263507275E-8 3.746121849490726E-11
peri -4.982991150308477E-13 1.134546044930564E-12 1.39681325656305E-9 -4.771041263507275E-8 4.809825115263969E-8 -3.740729021321264E-11
i -1.332181197057093E-15 3.271085154445962E-15 -8.627594589458714E-14 3.746121849490726E-11 -3.740729021321264E-11 2.215680081400175E-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 17.0   n/a MPO459952  

212968 (2009 BH104)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 BH104 = 1998 FW141 = 1999 TZ41 = 2002 JU74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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