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48801 Penninger (1997 UC1)
Classification: Main-belt Asteroid          SPK-ID: 2048801
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217005026414931 3.2276e-08  
a 2.793876416500201 1.1505e-08 au
q 2.174472610643893 9.3109e-08 au
i 7.788788736068835 3.5336e-06 deg
node 196.3643341537767 2.5189e-05 deg
peri 202.6330673754002 2.6449e-05 deg
M 7.002041431449498 9.4128e-06 deg
tp 2459363.323437183819
(2021-May-28.82343718)
4.4488e-05 TDB
period 1705.725784509204
4.67
1.0536e-05
2.885e-08
d
yr
n .2110538535967459 1.3036e-09 deg/d
Q 3.413280222356509 1.4056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      14070 days (38.52 yr)  
   first obs. used      1982-07-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:35:57  

Additional Information
 Earth MOID = 1.18351 au 
 Jupiter MOID = 2.02371 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457417.5 (2016-Jan-30.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260062755785291 3.2497e-08  
q 2.160882182718631 9.4181e-08 au
tp 2457655.819622809733
(2016-Sep-24.31962281)
3.8097e-05 TDB
node 196.649022843716 2.5117e-05 deg
peri 202.0891467060124 2.6295e-05 deg
i 7.805355554931599 3.5403e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      14070 days (38.52 yr)  
   first obs. used      1982-07-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:35:57  

Additional Information
 Jupiter MOID = 2.02371 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.056081320313294E-15 -3.048139889940322E-15 -3.103385048401319E-13 -6.656297831345762E-16 -2.689792974246413E-14 -8.118152759418639E-16
q -3.048139889940322E-15 8.869995761217041E-15 9.87986297617239E-13 2.432090655139015E-15 9.296723681412658E-14 2.712967955118217E-15
tp -3.103385048401319E-13 9.87986297617239E-13 1.451367227963778E-9 5.01196942257462E-12 3.061015979347151E-10 2.214662584259289E-12
node -6.656297831345762E-16 2.432090655139015E-15 5.01196942257462E-12 6.30867025513534E-10 -6.236944293219724E-10 -8.83786883137954E-12
peri -2.689792974246413E-14 9.296723681412658E-14 3.061015979347151E-10 -6.236944293219724E-10 6.914353314348779E-10 9.214128700746821E-12
i -8.118152759418639E-16 2.712967955118217E-15 2.214662584259289E-12 -8.83786883137954E-12 9.214128700746821E-12 1.253386039530326E-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 14.71   n/a E2021B10  
diameter diameter 6.664 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48801 Penninger           Discovered 1997 Oct. 22 by E. Meyer at the Davidschlag Observatory.
Josef Penninger (b. 1964), director of the Institute of Molecular Biotechnology of the Austrian Academy of Sciences, has been honored by various university chairs and numerous awards. He was chosen by the magazine Esquire as one of the ten most interesting people of the year 2000.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

Alternate Designations
 1997 UC1 = 1999 CT110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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