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227816 (2007 BL66)
Classification: Main-belt Asteroid          SPK-ID: 2227816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189286968764733 4.4671e-08  
a 2.414113203473826 1.4033e-08 au
q 2.127005866072395 1.0863e-07 au
i 5.837315023934015 5.5269e-06 deg
node 321.4763783738863 3.9488e-05 deg
peri 62.92875751703394 4.668e-05 deg
M 2.534226271876157 2.1975e-05 deg
tp 2459190.855543425464
(2020-Dec-07.35554343)
8.3656e-05 TDB
period 1370.045131866872
3.75
1.1946e-05
3.271e-08
d
yr
n .2627650663664279 2.2911e-09 deg/d
Q 2.701220540875256 1.5702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:16  

Additional Information
 Earth MOID = 1.13613 au 
 Jupiter MOID = 2.75907 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457945.5 (2017-Jul-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205612389824591 4.4733e-08  
q 2.123198259820682 1.0903e-07 au
tp 2457820.023363760720
(2017-Mar-07.52336376)
8.594e-05 TDB
node 321.5610919823567 3.9542e-05 deg
peri 62.76274666877318 4.6466e-05 deg
i 5.833498158714449 5.5243e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:16  

Additional Information
 Jupiter MOID = 2.75907 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001036863553081E-15 -4.845741621951956E-15 -1.500177608819865E-12 1.67438181596269E-14 -4.130138692245683E-13 -1.504851495777647E-15
q -4.845741621951956E-15 1.188671858215565E-14 3.189873635966072E-12 -3.926879375386734E-14 8.776154766379235E-13 4.241634607807861E-15
tp -1.500177608819865E-12 3.189873635966072E-12 7.385697950141732E-9 -2.957267674070271E-11 2.109314343208367E-9 9.98099827137981E-13
node 1.67438181596269E-14 -3.926879375386734E-14 -2.957267674070271E-11 1.563568253472459E-9 -1.56310618813141E-9 6.66177808750454E-11
peri -4.130138692245683E-13 8.776154766379235E-13 2.109314343208367E-9 -1.56310618813141E-9 2.159089233365736E-9 -6.604555495072424E-11
i -1.504851495777647E-15 4.241634607807861E-15 9.98099827137981E-13 6.66177808750454E-11 -6.604555495072424E-11 3.051819226491798E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.20   n/a E2021B55  

227816 (2007 BL66)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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