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17060 Mikecombi (1999 GX7)
Classification: Main-belt Asteroid          SPK-ID: 2017060
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505921405580326 3.58e-08  
a 2.548077821409673 9.5582e-09 au
q 2.164357327975142 9.0974e-08 au
i 12.23242900860395 4.9311e-06 deg
node 340.8015740999028 1.6899e-05 deg
peri 280.669881449944 2.341e-05 deg
M 10.82822696676771 1.5835e-05 deg
tp 2458955.813914924011
(2020-Apr-16.31391492)
6.5343e-05 TDB
period 1485.653253919375
4.07
8.3593e-06
2.289e-08
d
yr
n .2423176464967625 1.3634e-09 deg/d
Q 2.931798314844204 1.0998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2054  
   data-arc span      25706 days (70.38 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:10:50  

Additional Information
 Earth MOID = 1.18909 au 
 Jupiter MOID = 2.29354 au 
 T_jup = 3.394 
[ 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 13.6   n/a MPO473994  
diameter diameter 5.164 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.4 h n/a LCDB (Rev. 2019-August); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.240   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17060 Mikecombi           Discovered 1999 Apr. 9 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Michael R. Combi (b. 1962), of the University of Michigan, is a planetary astronomer who specializes in the detailed modeling of cometary comae. His model for the distribution of water molecules and associated byproducts has been invaluable in understanding a wide variety of coma observations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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