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16357 Risanpei (1976 UP18)
Classification: Main-belt Asteroid          SPK-ID: 2016357
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838355583361241 6.1287e-08  
a 2.297652602446996 1.2984e-08 AU
q 1.875262353413703 1.4286e-07 AU
i 6.415213976527963 6.1015e-06 deg
node 183.7398556333448 5.4299e-05 deg
peri 214.5452968572301 5.632e-05 deg
M 334.6004399385359 1.5835e-05 deg
tp 2457090.252936926075
(2015-Mar-08.75293693)
5.6174e-05 JED
period 1272.110903306899
3.48
1.0783e-05
2.952e-08
d
yr
n .2829941941887037 2.3988e-09 deg/d
Q 2.720042851480288 1.5371e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      15867 days (43.44 yr)  
   first obs. used      1971-03-25  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58152  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:06:28  

Additional Information
 Earth MOID = .885832 AU 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO263493  

16357 Risanpei           Discovered 1976 Oct. 22 by H. Kosai and K. Hurukawa at Kiso.
Ri Sanpei (d. 1655), (Li Sam Pyung in Korean) was one of the potters who was taken from the north-west Korean Peninsula to the north-west of Kyushu Island in 1598. Name suggested by K. Hurukawa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 1976 UP18 = 1983 UK1 = 1990 UF4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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