Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
27502 Stephbecca (2000 GR137)
Classification: Main-belt Asteroid          SPK-ID: 2027502
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01769191886420222 6.2467e-08  
a 2.87180847232725 2.8433e-08 AU
q 2.821000669841308 1.7795e-07 AU
i 2.96063930961922 6.8979e-06 deg
node 45.45763693080642 0.00011056 deg
peri 22.49402855968993 0.00021267 deg
M 144.1332664618056 0.00018007 deg
tp 2456288.805902810401
(2012-Dec-27.30590281)
0.0008891 JED
period 1777.590151654196
4.87
2.6399e-05
7.228e-08
d
yr
n .2025213740439493 3.0077e-09 deg/d
Q 2.922616274813192 2.8936e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      13328 days (36.49 yr)  
   first obs. used      1978-11-29  
   last obs. used      2015-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53894  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:40:52  

Additional Information
 Earth MOID = 1.83368 AU 
 T_jup = 3.295 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO299155  
rotation period rot_per 6.958 h n/a LCDB (Rev. 2015-July); 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) arXiv:1506.08493.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

27502 Stephbecca           Discovered 2000 Apr. 3 by L. H. Wasserman at the Anderson Mesa Station of the Lowell Observatory.
Stephanie E. Wasserman (b. 1977) and Rebecca N. Wasserman (b. 1979) are the two daughters of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 GR137 = 1978 WF9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-01 22:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin