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JPL Small-Body Database Browser
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15014 Annagekker (1998 RO74)
Classification: Main-belt Asteroid          SPK-ID: 2015014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149942913735007 3.6992e-08  
a 2.217298042727643 7.9182e-09 au
q 1.962321425540327 8.372e-08 au
i 3.582293398482319 4.0695e-06 deg
node 317.4162653410911 5.0468e-05 deg
peri 134.9556523097465 5.3613e-05 deg
M 133.6214166882865 1.5785e-05 deg
tp 2458552.881416567520
(2019-Mar-10.38141657)
5.3257e-05 TDB
period 1205.964537942358
3.30
6.4599e-06
1.769e-08
d
yr
n .2985162404644498 1.599e-09 deg/d
Q 2.472274659914958 8.8287e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      14246 days (39.00 yr)  
   first obs. used      1980-03-23  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:30:00  

Additional Information
 Earth MOID = .980932 au 
 Jupiter MOID = 2.67024 au 
 T_jup = 3.641 
[ 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 15.5   n/a MPO319272  
diameter diameter 4.911 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 27.4682 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15014 Annagekker           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Anna Gekker (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for her behavioral and social sciences project. She attends the Brooklyn Technical High School, Brooklyn, New York.
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

Alternate Designations
 1998 RO74 = 1980 FQ6 = 1993 BG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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