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JPL Small-Body Database Browser
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216261 Mapihsia (2006 WJ15)
Classification: Main-belt Asteroid          SPK-ID: 2216261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361334401884196 1.1103e-07  
a 2.967058798292258 3.6137e-08 au
q 2.266436997010189 3.326e-07 au
i 6.296536636548217 7.6969e-06 deg
node 167.2142184103297 5.9536e-05 deg
peri 210.0465439931625 6.0578e-05 deg
M 192.4681618600147 1.5717e-05 deg
tp 2459469.225378378650
(2021-Sep-11.72537838)
8.9731e-05 TDB
period 1866.756430828363
5.11
3.4104e-05
9.337e-08
d
yr
n .1928478691996534 3.5231e-09 deg/d
Q 3.667680599574327 4.467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6857 days (18.77 yr)  
   first obs. used      2000-08-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:22:28  

Additional Information
 Earth MOID = 1.26964 au 
 Jupiter MOID = 1.79709 au 
 T_jup = 3.212 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO475772  
diameter diameter 4.451 km 0.894 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216261 Mapihsia           Discovered 2006 Nov. 16 by M.-T. Chang and Q.-z. Ye at Lulin.
Pi Hsia Ma (b. 1951), the mother of the first discoverer, inspires him in his astronomical work.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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