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26240 Leigheriks (1998 QX39)
Classification: Main-belt Asteroid          SPK-ID: 2026240
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975750107911823 4.3624e-08  
a 2.246861846611331 7.5231e-09 au
q 1.802938093020802 9.6214e-08 au
i 5.179866144420665 3.777e-06 deg
node 147.2394075209912 4.035e-05 deg
peri 199.3328977499066 4.1121e-05 deg
M 160.3747531488555 9.7824e-06 deg
tp 2458452.479907700280
(2018-Nov-29.97990770)
3.2257e-05 TDB
period 1230.163908933861
3.37
6.1784e-06
1.692e-08
d
yr
n .2926439293053225 1.4698e-09 deg/d
Q 2.69078560020186 9.0095e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1544  
   data-arc span      11544 days (31.61 yr)  
   first obs. used      1988-09-12  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:01:24  

Additional Information
 Earth MOID = .796617 au 
 Jupiter MOID = 2.7229 au 
 T_jup = 3.599 
[ 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 14.8   n/a MPO452536  
diameter diameter 2.534 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.332   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26240 Leigheriks           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Leigh Eriks mentored a finalist in the 2010 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Catholic Central High School, Grand Rapids, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100228/MPCPages.arcLast Updated: 2010-10-29

Alternate Designations
 1998 QX39 = 1988 RP8 = 2000 CX29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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