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3197 Weissman (1981 AD)
Classification: Main-belt Asteroid          SPK-ID: 2003197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810158121568956 3.4901e-08  
a 2.665526446962422 1.2815e-08 au
q 2.183024012339835 9.36e-08 au
i 16.41014998232334 4.7148e-06 deg
node 111.643621955053 1.4332e-05 deg
peri 313.4814869579724 1.9951e-05 deg
M 320.3356591987963 1.4083e-05 deg
tp 2458775.634078219454
(2019-Oct-19.13407822)
6.2389e-05 TDB
period 1589.545341872674
4.35
1.1463e-05
3.138e-08
d
yr
n .2264798559164579 1.6333e-09 deg/d
Q 3.148028881585009 1.5135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2233  
   data-arc span      23636 days (64.71 yr)  
   first obs. used      1955-03-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:27:03  

Additional Information
 Earth MOID = 1.22851 au 
 Jupiter MOID = 2.18689 au 
 T_jup = 3.303 
[ 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 11.6   n/a MPO358659  
diameter diameter 18.984 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.122 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Bohn, L.; Hibbler, B.; Stein, G.; Ditteon, R. (2015) Minor Planet Bull. 42, 89-90.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.132   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Cgh   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3197 Weissman (1981 AD)          Discovered 1981-Jan-01 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 AD = 1971 UO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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