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650 Amalasuntha (A907 TL)
Classification: Main-belt Asteroid          SPK-ID: 2000650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842227055509768 4.6819e-08  
a 2.458251787716772 8.4281e-09 au
q 2.005385992458063 1.1146e-07 au
i 2.562859241590213 4.3537e-06 deg
node 215.5236731265885 7.7858e-05 deg
peri 179.0112832961829 7.8488e-05 deg
M 81.86022409773071 9.6484e-06 deg
tp 2458680.383248692780
(2019-Jul-15.88324869)
3.7338e-05 TDB
period 1407.790312582274
3.85
7.2399e-06
1.982e-08
d
yr
n .2557199014529806 1.3151e-09 deg/d
Q 2.911117582975481 9.9807e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2618  
   data-arc span      41141 days (112.64 yr)  
   first obs. used      1907-10-04  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:27:17  

Additional Information
 Earth MOID = 1.01194 au 
 Jupiter MOID = 2.51698 au 
 T_jup = 3.466 
[ 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 12.6   n/a MPO502159  
diameter diameter 18.609 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.582 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2008) Minor Planet Bull. 35, 71-72.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.027   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

650 Amalasuntha (A907 TL)          Discovered 1907-Oct-04 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 TL = 1930 UK = 1947 CB = 1949 PM = 1949 QT = 1949 QY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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