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1829 Dawson (1967 JJ)
Classification: Main-belt Asteroid          SPK-ID: 2001829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211258474778478 1.4737e-08  
a 2.250489610628059 4.9364e-09 au
q 1.977897149300644 3.4333e-08 au
i 6.336652843565263 8.7991e-07 deg
node 293.371973332231 2.3345e-06 deg
peri 142.4145486248312 6.7815e-06 deg
M 170.4489586903101 8.5907e-06 deg
tp 2458812.643933559487
(2019-Nov-25.14393356)
2.8733e-05 TDB
period 1233.144429473912
3.38
4.0573e-06
1.111e-08
d
yr
n .2919366064472954 9.6054e-10 deg/d
Q 2.523082071955475 5.5344e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2699  
   data-arc span      33755 days (92.42 yr)  
   first obs. used      1929-01-29  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:51:10  

Additional Information
 Earth MOID = .997476 au 
 Jupiter MOID = 2.68964 au 
 T_jup = 3.610 
[ 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 12.43   n/a MPO614063  
diameter diameter 8.068 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.254 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2003) Minor Planet Bull. 30, 31.]
[Pray, D.P. (2006) Minor Planet Bull. 33, 4-5.]
[Galad, A. (2010) Astron. Astrophys. 514, A55.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
[Oey, J.; Williams, H.; Groom, R.; Pray, D.; Benishek, V. (2017) Minor Planet Bull. 44, 193-199.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.271   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1829 Dawson (1967 JJ)          Discovered 1967-May-06 by Cesco, C. U. and Klemola, A. R. at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1967 JJ = 1929 BF = 1936 DN = 1966 BK = 1971 OA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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