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15963 Koeberl (1998 CY3)
Classification: Main-belt Asteroid          SPK-ID: 2015963
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758993992505713 2.5988e-08  
a 2.676611481784715 1.0111e-08 au
q 2.205797130111602 6.9911e-08 au
i 13.26697055877841 7.2089e-07 deg
node 150.8122271646639 2.4773e-06 deg
peri 243.8466761349873 3.4328e-06 deg
M 178.6742246693734 5.2273e-06 deg
tp 2458406.654774262618
(2018-Oct-15.15477426)
2.0453e-05 TDB
period 1599.471226441784
4.38
9.0629e-06
2.481e-08
d
yr
n .2250743833640967 1.2753e-09 deg/d
Q 3.147425833457828 1.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2157  
   data-arc span      15542 days (42.55 yr)  
   first obs. used      1978-08-08  
   last obs. used      2021-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:49:33  

Additional Information
 Earth MOID = 1.2446 au 
 Jupiter MOID = 2.41876 au 
 T_jup = 3.318 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.12   n/a E2021B10  
diameter diameter 8.590 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.0685 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.]
geometric albedo albedo 0.166   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15963 Koeberl           Discovered 1998 Feb. 6 by E. W. Elst at the European Southern Observatory.
Christian Koeberl (b. 1959) is a professor of geochemistry and cosmochemistry at the University of Vienna. His work involves the study of impact structures due to asteroidal bodies, as well as the investigation of the chemistry of tektites, impact glasses and lunar meteorites.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

Alternate Designations
 1998 CY3 = 1978 PH1 = 1987 RX2 = 1999 JL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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