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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505921433872725 3.585e-08  
a 2.54807782384892 1.1117e-08 au
q 2.164357322837934 9.1275e-08 au
i 12.23243330330981 5.5037e-06 deg
node 340.8015774266333 1.703e-05 deg
peri 280.6698834996592 2.534e-05 deg
M 10.82822028050831 2.0431e-05 deg
tp 2458955.813942452798
8.4215e-05 TDB
period 1485.653256052674
n .2423176461488104 1.5858e-09 deg/d
Q 2.931798324859906 1.2791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1930  
   data-arc span      25606 days (70.11 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:31:30  

Additional Information
 Earth MOID = 1.18909 au 
 Jupiter MOID = 2.29354 au 
 T_jup = 3.394 
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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] (  
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)]
geometric albedo albedo 0.240   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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 ]
FirstGov 2020-Jun-04 02:57 UT
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