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1822 Waterman (1950 OO)
Classification: Main-belt Asteroid          SPK-ID: 2001822
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533160141569536 3.0071e-08  
a 2.17013074650987 4.3554e-09 au
q 1.837414950255523 6.5507e-08 au
i .9568135906791264 3.2104e-06 deg
node 221.2409560844936 0.00019942 deg
peri 30.55154429056308 0.00019972 deg
M 353.1328784226476 1.0213e-05 deg
tp 2459022.774066533859
(2020-Jun-22.27406653)
3.3124e-05 TDB
period 1167.689236584177
3.20
3.5153e-06
9.624e-09
d
yr
n .3083012061095144 9.2813e-10 deg/d
Q 2.502846542764218 5.0231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2801  
   data-arc span      25528 days (69.89 yr)  
   first obs. used      1950-07-25  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:37:07  

Additional Information
 Earth MOID = .823134 au 
 Jupiter MOID = 2.52903 au 
 T_jup = 3.674 
[ 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 13.1   n/a MPO502170  
diameter diameter 6.054 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.581 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Klinglesmith III, D.A.; Hanowell, J.; Risley, E.; Janek, T.; et al. (2013) Minor Planet Bull. 40, 154-156.]
geometric albedo albedo 0.325   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1822 Waterman (1950 OO)          Discovered 1950-Jul-25 by Goethe Link Observatory at Brooklyn
Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1950 OO = 1943 EB = 1953 MA = 1963 TT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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