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268212 (2005 BQ49)
Classification: Main-belt Asteroid          SPK-ID: 2268212
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05346500637828255 6.5108e-08  
a 3.174823526578191 4.3662e-08 au
q 3.005081566479766 2.1549e-07 au
i 9.82151999321221 6.7919e-06 deg
node 134.7272583629413 3.7544e-05 deg
peri 61.03889891757847 6.7722e-05 deg
M 203.0354679471767 5.9654e-05 deg
tp 2459901.400526304052
(2022-Nov-17.90052630)
0.00034999 TDB
period 2066.225950715502
5.66
4.2624e-05
1.167e-07
d
yr
n .1742307030241962 3.5942e-09 deg/d
Q 3.344565486676615 4.5997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      9750 days (26.69 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:19  

Additional Information
 Earth MOID = 2.02104 au 
 Jupiter MOID = 1.67229 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457452.5 (2016-Mar-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05397654151638497 6.4523e-08  
q 3.003452997500924 2.1361e-07 au
tp 2457852.317166865168
(2017-Apr-08.81716687)
0.00033845 TDB
node 134.8727259690357 3.7479e-05 deg
peri 64.0726781014161 6.8318e-05 deg
i 9.829857324917837 6.8019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      9750 days (26.69 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:19  

Additional Information
 Jupiter MOID = 1.67229 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.163271952527449E-15 -1.352653304403361E-14 -6.569451696222225E-12 -5.39074259784301E-15 -1.077589633276271E-12 1.433202648619006E-15
q -1.352653304403361E-14 4.562898590856645E-14 2.521264887335652E-11 1.95224886250387E-14 4.09558270539234E-12 -1.950167281076242E-15
tp -6.569451696222225E-12 2.521264887335652E-11 1.145469443889564E-7 4.915217498605942E-11 1.939218889373779E-8 1.233249349195079E-12
node -5.39074259784301E-15 1.95224886250387E-14 4.915217498605942E-11 1.404663534703062E-9 -1.374900281178364E-9 9.161057901709203E-11
peri -1.077589633276271E-12 4.09558270539234E-12 1.939218889373779E-8 -1.374900281178364E-9 4.667409709390199E-9 -9.016388208268848E-11
i 1.433202648619006E-15 -1.950167281076242E-15 1.233249349195079E-12 9.161057901709203E-11 -9.016388208268848E-11 4.626588003114659E-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 15.5   n/a MPO494450  

268212 (2005 BQ49)          Discovered 2005-Jan-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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