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11538 Brunico (1992 OJ8)
Classification: Main-belt Asteroid          SPK-ID: 2011538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323793322966085 1.4041e-08  
a 2.295454406732681 5.6463e-09 au
q 1.991583685052101 3.2621e-08 au
i 6.749086652335456 1.1676e-06 deg
node 300.7097383881759 3.324e-06 deg
peri 18.78359396630105 6.308e-06 deg
M 100.9825419599476 6.1352e-06 deg
tp 2459040.175871711386
(2020-Jul-09.67587171)
2.1624e-05 TDB
period 1270.285771126449
3.48
4.6869e-06
1.283e-08
d
yr
n .2834007970354288 1.0456e-09 deg/d
Q 2.599325128413261 6.3937e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2426  
   data-arc span      10432 days (28.56 yr)  
   first obs. used      1992-07-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:13:14  

Additional Information
 Earth MOID = .978867 au 
 Jupiter MOID = 2.66921 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320968984652966 1.4004e-08  
q 1.99307206923069 3.2533e-08 au
tp 2457770.382486843265
(2017-Jan-16.88248684)
2.2293e-05 TDB
node 300.7547351660752 3.3238e-06 deg
peri 18.86477902483414 6.3286e-06 deg
i 6.748173390344491 1.1674e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2426  
   data-arc span      10432 days (28.56 yr)  
   first obs. used      1992-07-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:13:14  

Additional Information
 Jupiter MOID = 2.66921 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.961176461732307E-16 -4.503269394362839E-16 -9.983416919717924E-14 -7.667655189014163E-15 -1.662218366238433E-14 -7.078826409516982E-15
q -4.503269394362839E-16 1.058379628489381E-15 2.047318133638328E-13 1.74945876580167E-14 2.98991817760608E-14 1.637640278215948E-14
tp -9.983416919717924E-14 2.047318133638328E-13 4.969685947600125E-10 1.750763634502197E-12 1.192684080720538E-10 -6.496743177257141E-12
node -7.667655189014163E-15 1.74945876580167E-14 1.750763634502197E-12 1.104763764074613E-11 -1.049158630430325E-11 5.750701094488351E-13
peri -1.662218366238433E-14 2.98991817760608E-14 1.192684080720538E-10 -1.049158630430325E-11 4.005079889736589E-11 -2.138290455698684E-12
i -7.078826409516982E-15 1.637640278215948E-14 -6.496743177257141E-12 5.750701094488351E-13 -2.138290455698684E-12 1.36277135952339E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.12   n/a E2021B10  
rotation period rot_per 9.47538 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

11538 Brunico           Discovered 1992 July 22 by H. Debehogne and A. Lopez at the European Southern Observatory.
Bruneck (Brunico) is a city in South Tirol, Italy, where gymnasium pupils are inspired to participate in telescopic observations in a unique collaborative effort with professional astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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