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16644 Otemaedaigaku (1993 SH1)
Classification: Main-belt Asteroid          SPK-ID: 2016644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483996781514611 2.3675e-08  
a 2.304664571431867 6.6208e-09 au
q 1.962653090784303 5.5167e-08 au
i 6.746660907033566 5.5793e-07 deg
node 174.7407326025741 1.3268e-06 deg
peri 163.5692954537367 5.0773e-06 deg
M 302.0017804843501 7.2386e-06 deg
tp 2459406.383800256828
(2021-Jul-10.88380026)
2.621e-05 TDB
period 1277.938680039277
3.50
5.5068e-06
1.508e-08
d
yr
n .2817036573217547 1.2139e-09 deg/d
Q 2.646676052079431 7.6033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1952  
   data-arc span      23596 days (64.60 yr)  
   first obs. used      1955-12-11  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:37:41  

Additional Information
 Earth MOID = .953142 au 
 Jupiter MOID = 2.73942 au 
 T_jup = 3.565 
[ 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 14.19   n/a E2021B10  
diameter diameter 3.524 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.392   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16644 Otemaedaigaku           Discovered 1993 Sept. 16 by K. Endate and K. Watanabe at Kitami.
Otemaedaigaku is a private university in Japan. founded in 1966. The Otemae Educational Cooperation was established in 1946, and will celebrate its 70th anniversary in 2016.
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 2015-09-28Last Updated: 2015-10-05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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