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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01738287100949193 6.2455e-08  
a 2.872668110354374 2.8318e-08 au
q 2.822732891139003 1.78e-07 au
i 2.960232539811503 6.8961e-06 deg
node 45.45363895460879 0.00011009 deg
peri 22.27187438317302 0.00021479 deg
M 225.3548713365916 0.00018278 deg
tp 2458065.642581572243
(2017-Nov-08.14258157)
0.00090311 JED
period 1778.388358665379
4.87
2.6297e-05
7.2e-08
d
yr
n .2024304748992891 2.9933e-09 deg/d
Q 2.922603329569744 2.8811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   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      .52885  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 16:59:14  

Additional Information
 Earth MOID = 1.8346 au 
 Jupiter MOID = 2.11078 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-December); 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.]

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 ]
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