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15492 Nyberg (1999 CG89)
Classification: Main-belt Asteroid          SPK-ID: 2015492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821166626662763 3.6323e-08  
a 2.427820822792722 8.9515e-09 au
q 1.985674196994018 9.0781e-08 au
i 2.134961279008381 4.0573e-06 deg
node 341.238709874266 9.2218e-05 deg
peri 45.88387992702017 9.2907e-05 deg
M 316.6053281823308 1.3639e-05 deg
tp 2459167.054849462434
(2020-Nov-13.55484946)
5.2942e-05 TDB
period 1381.730597212682
3.78
7.6418e-06
2.092e-08
d
yr
n .2605428299309691 1.441e-09 deg/d
Q 2.869967448591425 1.0582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      24315 days (66.57 yr)  
   first obs. used      1952-12-11  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:20:08  

Additional Information
 Earth MOID = .990794 au 
 Jupiter MOID = 2.58468 au 
 T_jup = 3.486 
[ show covariance matrix ]

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 14.7   n/a MPO435844  
diameter diameter 7.317 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.256 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.045   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15492 Nyberg           Discovered 1999 Feb. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael Herbert Nyberg (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for his engineering project. He attends the Lyme-Old Lyme High School, Old Lyme, Connecticut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22

[ show close-approach data ]
Alternate Designations
 1999 CG89 = 1980 BD6 = 1982 QU1 = 1986 TX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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