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4456 Mawson (1989 OG)
Classification: Main-belt Asteroid          SPK-ID: 2004456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2767133195734374 5.348e-08  
a 2.375147338928489 1.27e-08 au
q 1.71791243429757 1.2671e-07 au
i 15.00536025000454 6.5249e-06 deg
node 358.1760968672318 1.7718e-05 deg
peri 345.9862249112526 1.9748e-05 deg
M 24.4302270695005 1.2018e-05 deg
tp 2458509.768255078065
(2019-Jan-26.26825508)
4.4212e-05 TDB
period 1337.008783380276
3.66
1.0723e-05
2.936e-08
d
yr
n .2692577673946423 2.1595e-09 deg/d
Q 3.032382243559407 1.6214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      23158 days (63.40 yr)  
   first obs. used      1955-04-16  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48634  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 16:14:28  

Additional Information
 Earth MOID = .714108 au 
 Jupiter MOID = 2.39786 au 
 T_jup = 3.445 
[ 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 13.7   n/a MPO458875  
diameter diameter 7.591 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Ld   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)

4456 Mawson (1989 OG)          Discovered 1989-Jul-27 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 OG = 1938 UZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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