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27515 Gunnels (2000 HM7)
Classification: Main-belt Asteroid          SPK-ID: 2027515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804668361667503 4.7698e-08  
a 2.459973476269177 1.115e-08 au
q 2.016029845952756 1.1525e-07 au
i 2.332257282249974 4.804e-06 deg
node 205.3806221096604 9.1563e-05 deg
peri 183.1571662560229 9.2204e-05 deg
M 152.4436510965614 9.8673e-06 deg
tp 2458003.738351951033
(2017-Sep-07.23835195)
3.822e-05 TDB
period 1409.269535020171
3.86
9.5817e-06
2.623e-08
d
yr
n .2554514882029628 1.7368e-09 deg/d
Q 2.903917106585598 1.3163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      13353 days (36.56 yr)  
   first obs. used      1982-10-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:12  

Additional Information
 Earth MOID = 1.02022 au 
 Jupiter MOID = 2.53761 au 
 T_jup = 3.467 
[ 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 14.9   n/a MPO435955  
rotation period rot_per 3.277 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27515 Gunnels           Discovered 2000 Apr. 27 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kim Gunnels mentored a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Renner Middle School, Plano, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2000 HM7 = 1982 UX3 = 1999 BY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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