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7023 Heiankyo (1992 KE)
Classification: Main-belt Asteroid          SPK-ID: 2007023
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366125925630219 4.9905e-08  
a 2.454887491350998 1.5053e-08 AU
q 2.119518946707005 1.2648e-07 AU
i 7.57116742658598 5.3211e-06 deg
node 106.4432779980863 4.7399e-05 deg
peri 186.2812648947186 5.2844e-05 deg
M 270.1484469520715 2.474e-05 deg
tp 2457351.146011842872
(2015-Nov-24.64601184)
9.7058e-05 JED
period 1404.901306448195
3.85
1.2922e-05
3.538e-08
d
yr
n .2562457578676007 2.3569e-09 deg/d
Q 2.790256035994991 1.7109e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      21813 days (59.72 yr)  
   first obs. used      1955-11-24  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:21:00  

Additional Information
 Earth MOID = 1.10474 AU 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO279588  
rotation period rot_per 10.8192 h n/a LCDB (Rev. 2015-July); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

7023 Heiankyo           Discovered 1992 May 25 by A. Sugie at Dynic.
Heiankyo, meaning `Peaceful Capital', is another name of Kyoto. From 794 to 1868 it was the capital of Japan, and the center of Japanese culture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

Alternate Designations
 1992 KE = 1977 NL = 1980 EL1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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