Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149943451679202 3.0901e-08  
a 2.217298042453552 6.8945e-09 au
q 1.962321306019494 6.8215e-08 au
i 3.58229069639959 3.4373e-06 deg
node 317.4163160287258 5.0418e-05 deg
peri 134.9556042288095 5.2341e-05 deg
M 133.6214172350464 1.3732e-05 deg
tp 2458552.881414818927
(2019-Mar-10.38141482)
4.5753e-05 TDB
period 1205.964537718745
3.30
5.6248e-06
1.54e-08
d
yr
n .2985162405198014 1.3923e-09 deg/d
Q 2.47227477888761 7.6874e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      14696 days (40.24 yr)  
   first obs. used      1980-03-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:47:18  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-19 21:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin